445248040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{2741}}^1$

素因数の和:2914

約数の個数: 64

約数和(自身を含む): 1042398720

約数和(自身を除く): 597150680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 131, 155, 248, 262, 310, 524, 620, 655, 1048, 1240, 1310, 2620, 2741, 4061, 5240, 5482, 8122, 10964, 13705, 16244, 20305, 21928, 27410, 32488, 40610, 54820, 81220, 84971, 109640, 162440, 169942, 339884, 359071, 424855, 679768, 718142, 849710, 1436284, 1699420, 1795355, 2872568, 3398840, 3590710, 7181420, 11131201, 14362840, 22262402, 44524804, 55656005, 89049608, 111312010, 222624020, 445248040]

約数ペア:

[(1, 445248040), (2, 222624020), (4, 111312010), (5, 89049608), (8, 55656005), (10, 44524804), (20, 22262402), (31, 14362840), (40, 11131201), (62, 7181420), (124, 3590710), (131, 3398840), (155, 2872568), (248, 1795355), (262, 1699420), (310, 1436284), (524, 849710), (620, 718142), (655, 679768), (1048, 424855), (1240, 359071), (1310, 339884), (2620, 169942), (2741, 162440), (4061, 109640), (5240, 84971), (5482, 81220), (8122, 54820), (10964, 40610), (13705, 32488), (16244, 27410), (20305, 21928)]