78554450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7109}}^1$

素因数の和:7151

約数の個数: 48

約数和(自身を含む): 166629960

約数和(自身を除く): 88075510

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 2210, 5525, 7109, 11050, 14218, 35545, 71090, 92417, 120853, 177725, 184834, 241706, 355450, 462085, 604265, 924170, 1208530, 1571089, 2310425, 3021325, 3142178, 4620850, 6042650, 7855445, 15710890, 39277225, 78554450]

約数ペア:

[(1, 78554450), (2, 39277225), (5, 15710890), (10, 7855445), (13, 6042650), (17, 4620850), (25, 3142178), (26, 3021325), (34, 2310425), (50, 1571089), (65, 1208530), (85, 924170), (130, 604265), (170, 462085), (221, 355450), (325, 241706), (425, 184834), (442, 177725), (650, 120853), (850, 92417), (1105, 71090), (2210, 35545), (5525, 14218), (7109, 11050)]