248245830

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:296

約数の個数: 256

約数和(自身を含む): 825753600

約数和(自身を除く): 577507770

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 31, 35, 38, 42, 45, 54, 57, 62, 63, 70, 90, 93, 95, 105, 114, 126, 133, 135, 155, 171, 186, 189, 190, 210, 217, 223, 266, 270, 279, 285, 310, 315, 342, 378, 399, 434, 446, 465, 513, 558, 570, 589, 630, 651, 665, 669, 798, 837, 855, 930, 945, 1026, 1085, 1115, 1178, 1197, 1302, 1330, 1338, 1395, 1561, 1674, 1710, 1767, 1890, 1953, 1995, 2007, 2170, 2230, 2394, 2565, 2790, 2945, 3122, 3255, 3345, 3534, 3591, 3906, 3990, 4014, 4123, 4185, 4237, 4683, 5130, 5301, 5859, 5890, 5985, 6021, 6510, 6690, 6913, 7182, 7805, 8246, 8370, 8474, 8835, 9366, 9765, 10035, 10602, 11718, 11970, 12042, 12369, 12711, 13826, 14049, 15610, 15903, 17670, 17955, 19530, 20070, 20615, 20739, 21185, 23415, 24738, 25422, 26505, 28098, 29295, 29659, 30105, 31806, 34565, 35910, 37107, 38133, 41230, 41478, 42147, 42370, 46830, 48391, 53010, 58590, 59318, 60210, 61845, 62217, 63555, 69130, 70245, 74214, 76266, 79515, 84294, 88977, 96782, 103695, 111321, 114399, 123690, 124434, 127110, 131347, 140490, 145173, 148295, 159030, 177954, 185535, 186651, 190665, 207390, 210735, 222642, 228798, 241955, 262694, 266931, 290346, 296590, 311085, 371070, 373302, 381330, 394041, 421470, 435519, 444885, 483910, 533862, 556605, 571995, 622170, 656735, 725865, 788082, 800793, 871038, 889770, 919429, 933255, 1113210, 1143990, 1182123, 1306557, 1313470, 1334655, 1451730, 1601586, 1838858, 1866510, 1970205, 2177595, 2364246, 2613114, 2669310, 2758287, 3546369, 3940410, 4003965, 4355190, 4597145, 5516574, 5910615, 6532785, 7092738, 8007930, 8274861, 9194290, 11821230, 13065570, 13791435, 16549722, 17731845, 24824583, 27582870, 35463690, 41374305, 49649166, 82748610, 124122915, 248245830]

約数ペア:

[(1, 248245830), (2, 124122915), (3, 82748610), (5, 49649166), (6, 41374305), (7, 35463690), (9, 27582870), (10, 24824583), (14, 17731845), (15, 16549722), (18, 13791435), (19, 13065570), (21, 11821230), (27, 9194290), (30, 8274861), (31, 8007930), (35, 7092738), (38, 6532785), (42, 5910615), (45, 5516574), (54, 4597145), (57, 4355190), (62, 4003965), (63, 3940410), (70, 3546369), (90, 2758287), (93, 2669310), (95, 2613114), (105, 2364246), (114, 2177595), (126, 1970205), (133, 1866510), (135, 1838858), (155, 1601586), (171, 1451730), (186, 1334655), (189, 1313470), (190, 1306557), (210, 1182123), (217, 1143990), (223, 1113210), (266, 933255), (270, 919429), (279, 889770), (285, 871038), (310, 800793), (315, 788082), (342, 725865), (378, 656735), (399, 622170), (434, 571995), (446, 556605), (465, 533862), (513, 483910), (558, 444885), (570, 435519), (589, 421470), (630, 394041), (651, 381330), (665, 373302), (669, 371070), (798, 311085), (837, 296590), (855, 290346), (930, 266931), (945, 262694), (1026, 241955), (1085, 228798), (1115, 222642), (1178, 210735), (1197, 207390), (1302, 190665), (1330, 186651), (1338, 185535), (1395, 177954), (1561, 159030), (1674, 148295), (1710, 145173), (1767, 140490), (1890, 131347), (1953, 127110), (1995, 124434), (2007, 123690), (2170, 114399), (2230, 111321), (2394, 103695), (2565, 96782), (2790, 88977), (2945, 84294), (3122, 79515), (3255, 76266), (3345, 74214), (3534, 70245), (3591, 69130), (3906, 63555), (3990, 62217), (4014, 61845), (4123, 60210), (4185, 59318), (4237, 58590), (4683, 53010), (5130, 48391), (5301, 46830), (5859, 42370), (5890, 42147), (5985, 41478), (6021, 41230), (6510, 38133), (6690, 37107), (6913, 35910), (7182, 34565), (7805, 31806), (8246, 30105), (8370, 29659), (8474, 29295), (8835, 28098), (9366, 26505), (9765, 25422), (10035, 24738), (10602, 23415), (11718, 21185), (11970, 20739), (12042, 20615), (12369, 20070), (12711, 19530), (13826, 17955), (14049, 17670), (15610, 15903)]