30818450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2789}}^1$

素因数の和:2831

約数の個数: 48

約数和(自身を含む): 65386440

約数和(自身を除く): 34567990

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, 2789, 5525, 5578, 11050, 13945, 27890, 36257, 47413, 69725, 72514, 94826, 139450, 181285, 237065, 362570, 474130, 616369, 906425, 1185325, 1232738, 1812850, 2370650, 3081845, 6163690, 15409225, 30818450]

約数ペア:

[(1, 30818450), (2, 15409225), (5, 6163690), (10, 3081845), (13, 2370650), (17, 1812850), (25, 1232738), (26, 1185325), (34, 906425), (50, 616369), (65, 474130), (85, 362570), (130, 237065), (170, 181285), (221, 139450), (325, 94826), (425, 72514), (442, 69725), (650, 47413), (850, 36257), (1105, 27890), (2210, 13945), (2789, 11050), (5525, 5578)]