890753680

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{188719}}^1$

素因数の和:188791

約数の個数: 40

約数和(自身を含む): 2106115200

約数和(自身を除く): 1215361520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 188719, 377438, 754876, 943595, 1509752, 1887190, 3019504, 3774380, 7548760, 11134421, 15097520, 22268842, 44537684, 55672105, 89075368, 111344210, 178150736, 222688420, 445376840, 890753680]

約数ペア:

[(1, 890753680), (2, 445376840), (4, 222688420), (5, 178150736), (8, 111344210), (10, 89075368), (16, 55672105), (20, 44537684), (40, 22268842), (59, 15097520), (80, 11134421), (118, 7548760), (236, 3774380), (295, 3019504), (472, 1887190), (590, 1509752), (944, 943595), (1180, 754876), (2360, 377438), (4720, 188719)]