680073872

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{419}}^1\times {\mathrm{1663}}^1$

素因数の和:2151

約数の個数: 40

約数和(自身を含む): 1343247360

約数和(自身を除く): 663173488

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 419, 488, 838, 976, 1663, 1676, 3326, 3352, 6652, 6704, 13304, 25559, 26608, 51118, 101443, 102236, 202886, 204472, 405772, 408944, 696797, 811544, 1393594, 1623088, 2787188, 5574376, 11148752, 42504617, 85009234, 170018468, 340036936, 680073872]

約数ペア:

[(1, 680073872), (2, 340036936), (4, 170018468), (8, 85009234), (16, 42504617), (61, 11148752), (122, 5574376), (244, 2787188), (419, 1623088), (488, 1393594), (838, 811544), (976, 696797), (1663, 408944), (1676, 405772), (3326, 204472), (3352, 202886), (6652, 102236), (6704, 101443), (13304, 51118), (25559, 26608)]