397024740

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:408

約数の個数: 240

約数和(自身を含む): 1438897152

約数和(自身を除く): 1041872412

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 157, 162, 180, 189, 210, 223, 252, 270, 314, 315, 324, 378, 405, 420, 446, 471, 540, 567, 628, 630, 669, 756, 785, 810, 892, 942, 945, 1099, 1115, 1134, 1260, 1338, 1413, 1561, 1570, 1620, 1884, 1890, 2007, 2198, 2230, 2268, 2355, 2676, 2826, 2835, 3122, 3140, 3297, 3345, 3780, 4014, 4239, 4396, 4460, 4683, 4710, 5495, 5652, 5670, 6021, 6244, 6594, 6690, 7065, 7805, 8028, 8478, 9366, 9420, 9891, 10035, 10990, 11340, 12042, 12717, 13188, 13380, 14049, 14130, 15610, 16485, 16956, 18063, 18732, 19782, 20070, 21195, 21980, 23415, 24084, 25434, 28098, 28260, 29673, 30105, 31220, 32970, 35011, 36126, 39564, 40140, 42147, 42390, 46830, 49455, 50868, 56196, 59346, 60210, 63585, 65940, 70022, 70245, 72252, 84294, 84780, 89019, 90315, 93660, 98910, 105033, 118692, 120420, 126441, 127170, 140044, 140490, 148365, 168588, 175055, 178038, 180630, 197820, 210066, 210735, 245077, 252882, 254340, 280980, 296730, 315099, 350110, 356076, 361260, 420132, 421470, 445095, 490154, 505764, 525165, 593460, 630198, 632205, 700220, 735231, 842940, 890190, 945297, 980308, 1050330, 1225385, 1260396, 1264410, 1470462, 1575495, 1780380, 1890594, 2100660, 2205693, 2450770, 2528820, 2835891, 2940924, 3150990, 3676155, 3781188, 4411386, 4726485, 4901540, 5671782, 6301980, 6617079, 7352310, 8822772, 9452970, 11028465, 11343564, 13234158, 14179455, 14704620, 18905940, 19851237, 22056930, 26468316, 28358910, 33085395, 39702474, 44113860, 56717820, 66170790, 79404948, 99256185, 132341580, 198512370, 397024740]

約数ペア:

[(1, 397024740), (2, 198512370), (3, 132341580), (4, 99256185), (5, 79404948), (6, 66170790), (7, 56717820), (9, 44113860), (10, 39702474), (12, 33085395), (14, 28358910), (15, 26468316), (18, 22056930), (20, 19851237), (21, 18905940), (27, 14704620), (28, 14179455), (30, 13234158), (35, 11343564), (36, 11028465), (42, 9452970), (45, 8822772), (54, 7352310), (60, 6617079), (63, 6301980), (70, 5671782), (81, 4901540), (84, 4726485), (90, 4411386), (105, 3781188), (108, 3676155), (126, 3150990), (135, 2940924), (140, 2835891), (157, 2528820), (162, 2450770), (180, 2205693), (189, 2100660), (210, 1890594), (223, 1780380), (252, 1575495), (270, 1470462), (314, 1264410), (315, 1260396), (324, 1225385), (378, 1050330), (405, 980308), (420, 945297), (446, 890190), (471, 842940), (540, 735231), (567, 700220), (628, 632205), (630, 630198), (669, 593460), (756, 525165), (785, 505764), (810, 490154), (892, 445095), (942, 421470), (945, 420132), (1099, 361260), (1115, 356076), (1134, 350110), (1260, 315099), (1338, 296730), (1413, 280980), (1561, 254340), (1570, 252882), (1620, 245077), (1884, 210735), (1890, 210066), (2007, 197820), (2198, 180630), (2230, 178038), (2268, 175055), (2355, 168588), (2676, 148365), (2826, 140490), (2835, 140044), (3122, 127170), (3140, 126441), (3297, 120420), (3345, 118692), (3780, 105033), (4014, 98910), (4239, 93660), (4396, 90315), (4460, 89019), (4683, 84780), (4710, 84294), (5495, 72252), (5652, 70245), (5670, 70022), (6021, 65940), (6244, 63585), (6594, 60210), (6690, 59346), (7065, 56196), (7805, 50868), (8028, 49455), (8478, 46830), (9366, 42390), (9420, 42147), (9891, 40140), (10035, 39564), (10990, 36126), (11340, 35011), (12042, 32970), (12717, 31220), (13188, 30105), (13380, 29673), (14049, 28260), (14130, 28098), (15610, 25434), (16485, 24084), (16956, 23415), (18063, 21980), (18732, 21195), (19782, 20070)]