1028389780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1723}}^1\times {\mathrm{2713}}^1$

素因数の和:4456

約数の個数: 48

約数和(自身を含む): 2358183744

約数和(自身を除く): 1329793964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1723, 2713, 3446, 5426, 6892, 8615, 10852, 13565, 17230, 18953, 27130, 29843, 34460, 37906, 54260, 59686, 75812, 94765, 119372, 149215, 189530, 298430, 379060, 596860, 4674499, 9348998, 18697996, 23372495, 46744990, 51419489, 93489980, 102838978, 205677956, 257097445, 514194890, 1028389780]

約数ペア:

[(1, 1028389780), (2, 514194890), (4, 257097445), (5, 205677956), (10, 102838978), (11, 93489980), (20, 51419489), (22, 46744990), (44, 23372495), (55, 18697996), (110, 9348998), (220, 4674499), (1723, 596860), (2713, 379060), (3446, 298430), (5426, 189530), (6892, 149215), (8615, 119372), (10852, 94765), (13565, 75812), (17230, 59686), (18953, 54260), (27130, 37906), (29843, 34460)]