68642800

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2417}}^1$

素因数の和:2506

約数の個数: 60

約数和(自身を含む): 167306256

約数和(自身を除く): 98663456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 568, 710, 1136, 1420, 1775, 2417, 2840, 3550, 4834, 5680, 7100, 9668, 12085, 14200, 19336, 24170, 28400, 38672, 48340, 60425, 96680, 120850, 171607, 193360, 241700, 343214, 483400, 686428, 858035, 966800, 1372856, 1716070, 2745712, 3432140, 4290175, 6864280, 8580350, 13728560, 17160700, 34321400, 68642800]

約数ペア:

[(1, 68642800), (2, 34321400), (4, 17160700), (5, 13728560), (8, 8580350), (10, 6864280), (16, 4290175), (20, 3432140), (25, 2745712), (40, 1716070), (50, 1372856), (71, 966800), (80, 858035), (100, 686428), (142, 483400), (200, 343214), (284, 241700), (355, 193360), (400, 171607), (568, 120850), (710, 96680), (1136, 60425), (1420, 48340), (1775, 38672), (2417, 28400), (2840, 24170), (3550, 19336), (4834, 14200), (5680, 12085), (7100, 9668)]