257059770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{26861}}^1$

素因数の和:26911

約数の個数: 64

約数和(自身を含む): 696263040

約数和(自身を除く): 439203270

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 33, 55, 58, 66, 87, 110, 145, 165, 174, 290, 319, 330, 435, 638, 870, 957, 1595, 1914, 3190, 4785, 9570, 26861, 53722, 80583, 134305, 161166, 268610, 295471, 402915, 590942, 778969, 805830, 886413, 1477355, 1557938, 1772826, 2336907, 2954710, 3894845, 4432065, 4673814, 7789690, 8568659, 8864130, 11684535, 17137318, 23369070, 25705977, 42843295, 51411954, 85686590, 128529885, 257059770]

約数ペア:

[(1, 257059770), (2, 128529885), (3, 85686590), (5, 51411954), (6, 42843295), (10, 25705977), (11, 23369070), (15, 17137318), (22, 11684535), (29, 8864130), (30, 8568659), (33, 7789690), (55, 4673814), (58, 4432065), (66, 3894845), (87, 2954710), (110, 2336907), (145, 1772826), (165, 1557938), (174, 1477355), (290, 886413), (319, 805830), (330, 778969), (435, 590942), (638, 402915), (870, 295471), (957, 268610), (1595, 161166), (1914, 134305), (3190, 80583), (4785, 53722), (9570, 26861)]