1617380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 3701376

約数和(自身を除く): 2083996

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 71, 85, 134, 142, 170, 268, 284, 335, 340, 355, 670, 710, 1139, 1207, 1340, 1420, 2278, 2414, 4556, 4757, 4828, 5695, 6035, 9514, 11390, 12070, 19028, 22780, 23785, 24140, 47570, 80869, 95140, 161738, 323476, 404345, 808690, 1617380]

約数ペア:

[(1, 1617380), (2, 808690), (4, 404345), (5, 323476), (10, 161738), (17, 95140), (20, 80869), (34, 47570), (67, 24140), (68, 23785), (71, 22780), (85, 19028), (134, 12070), (142, 11390), (170, 9514), (268, 6035), (284, 5695), (335, 4828), (340, 4757), (355, 4556), (670, 2414), (710, 2278), (1139, 1420), (1207, 1340)]