197528940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:301

約数の個数: 288

約数和(自身を含む): 743608320

約数和(自身を除く): 546079380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 37, 38, 42, 45, 57, 60, 63, 70, 74, 76, 84, 90, 95, 105, 111, 114, 126, 133, 140, 148, 171, 180, 185, 190, 210, 222, 223, 228, 252, 259, 266, 285, 315, 333, 342, 370, 380, 399, 420, 444, 446, 518, 532, 555, 570, 630, 665, 666, 669, 684, 703, 740, 777, 798, 855, 892, 1036, 1110, 1115, 1140, 1197, 1260, 1295, 1330, 1332, 1338, 1406, 1554, 1561, 1596, 1665, 1710, 1995, 2007, 2109, 2220, 2230, 2331, 2394, 2590, 2660, 2676, 2812, 3108, 3122, 3330, 3345, 3420, 3515, 3885, 3990, 4014, 4218, 4237, 4460, 4662, 4683, 4788, 4921, 5180, 5985, 6244, 6327, 6660, 6690, 7030, 7770, 7805, 7980, 8028, 8251, 8436, 8474, 9324, 9366, 9842, 10035, 10545, 11655, 11970, 12654, 12711, 13380, 14049, 14060, 14763, 15540, 15610, 16502, 16948, 18732, 19684, 20070, 21090, 21185, 23310, 23415, 23940, 24605, 24753, 25308, 25422, 28098, 29526, 29659, 31220, 31635, 33004, 38133, 40140, 41255, 42180, 42370, 44289, 46620, 46830, 49210, 49506, 50844, 56196, 57757, 59052, 59318, 63270, 63555, 70245, 73815, 74259, 76266, 82510, 84740, 88578, 88977, 93660, 98420, 99012, 115514, 118636, 123765, 126540, 127110, 140490, 147630, 148295, 148518, 152532, 156769, 165020, 173271, 177156, 177954, 190665, 221445, 231028, 247530, 254220, 266931, 280980, 288785, 295260, 296590, 297036, 313538, 346542, 355908, 371295, 381330, 442890, 444885, 470307, 495060, 519813, 533862, 577570, 593180, 627076, 693084, 742590, 762660, 783845, 866355, 885780, 889770, 940614, 1039626, 1067724, 1097383, 1155140, 1334655, 1410921, 1485180, 1567690, 1732710, 1779540, 1881228, 2079252, 2194766, 2351535, 2599065, 2669310, 2821842, 3135380, 3292149, 3465420, 4389532, 4703070, 5198130, 5338620, 5486915, 5643684, 6584298, 7054605, 9406140, 9876447, 10396260, 10973830, 13168596, 14109210, 16460745, 19752894, 21947660, 28218420, 32921490, 39505788, 49382235, 65842980, 98764470, 197528940]

約数ペア:

[(1, 197528940), (2, 98764470), (3, 65842980), (4, 49382235), (5, 39505788), (6, 32921490), (7, 28218420), (9, 21947660), (10, 19752894), (12, 16460745), (14, 14109210), (15, 13168596), (18, 10973830), (19, 10396260), (20, 9876447), (21, 9406140), (28, 7054605), (30, 6584298), (35, 5643684), (36, 5486915), (37, 5338620), (38, 5198130), (42, 4703070), (45, 4389532), (57, 3465420), (60, 3292149), (63, 3135380), (70, 2821842), (74, 2669310), (76, 2599065), (84, 2351535), (90, 2194766), (95, 2079252), (105, 1881228), (111, 1779540), (114, 1732710), (126, 1567690), (133, 1485180), (140, 1410921), (148, 1334655), (171, 1155140), (180, 1097383), (185, 1067724), (190, 1039626), (210, 940614), (222, 889770), (223, 885780), (228, 866355), (252, 783845), (259, 762660), (266, 742590), (285, 693084), (315, 627076), (333, 593180), (342, 577570), (370, 533862), (380, 519813), (399, 495060), (420, 470307), (444, 444885), (446, 442890), (518, 381330), (532, 371295), (555, 355908), (570, 346542), (630, 313538), (665, 297036), (666, 296590), (669, 295260), (684, 288785), (703, 280980), (740, 266931), (777, 254220), (798, 247530), (855, 231028), (892, 221445), (1036, 190665), (1110, 177954), (1115, 177156), (1140, 173271), (1197, 165020), (1260, 156769), (1295, 152532), (1330, 148518), (1332, 148295), (1338, 147630), (1406, 140490), (1554, 127110), (1561, 126540), (1596, 123765), (1665, 118636), (1710, 115514), (1995, 99012), (2007, 98420), (2109, 93660), (2220, 88977), (2230, 88578), (2331, 84740), (2394, 82510), (2590, 76266), (2660, 74259), (2676, 73815), (2812, 70245), (3108, 63555), (3122, 63270), (3330, 59318), (3345, 59052), (3420, 57757), (3515, 56196), (3885, 50844), (3990, 49506), (4014, 49210), (4218, 46830), (4237, 46620), (4460, 44289), (4662, 42370), (4683, 42180), (4788, 41255), (4921, 40140), (5180, 38133), (5985, 33004), (6244, 31635), (6327, 31220), (6660, 29659), (6690, 29526), (7030, 28098), (7770, 25422), (7805, 25308), (7980, 24753), (8028, 24605), (8251, 23940), (8436, 23415), (8474, 23310), (9324, 21185), (9366, 21090), (9842, 20070), (10035, 19684), (10545, 18732), (11655, 16948), (11970, 16502), (12654, 15610), (12711, 15540), (13380, 14763), (14049, 14060)]