204394780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17351}}^1$

素因数の和:17410

約数の個数: 48

約数和(自身を含む): 466421760

約数和(自身を除く): 262026980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 17351, 34702, 69404, 86755, 173510, 329669, 347020, 537881, 659338, 1075762, 1318676, 1648345, 2151524, 2689405, 3296690, 5378810, 6593380, 10219739, 10757620, 20439478, 40878956, 51098695, 102197390, 204394780]

約数ペア:

[(1, 204394780), (2, 102197390), (4, 51098695), (5, 40878956), (10, 20439478), (19, 10757620), (20, 10219739), (31, 6593380), (38, 5378810), (62, 3296690), (76, 2689405), (95, 2151524), (124, 1648345), (155, 1318676), (190, 1075762), (310, 659338), (380, 537881), (589, 347020), (620, 329669), (1178, 173510), (2356, 86755), (2945, 69404), (5890, 34702), (11780, 17351)]