249544360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28229}}^1$

素因数の和:28270

約数の個数: 64

約数和(自身を含む): 640256400

約数和(自身を除く): 390712040

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 28229, 56458, 112916, 141145, 225832, 282290, 366977, 479893, 564580, 733954, 959786, 1129160, 1467908, 1834885, 1919572, 2399465, 2935816, 3669770, 3839144, 4798930, 6238609, 7339540, 9597860, 12477218, 14679080, 19195720, 24954436, 31193045, 49908872, 62386090, 124772180, 249544360]

約数ペア:

[(1, 249544360), (2, 124772180), (4, 62386090), (5, 49908872), (8, 31193045), (10, 24954436), (13, 19195720), (17, 14679080), (20, 12477218), (26, 9597860), (34, 7339540), (40, 6238609), (52, 4798930), (65, 3839144), (68, 3669770), (85, 2935816), (104, 2399465), (130, 1919572), (136, 1834885), (170, 1467908), (221, 1129160), (260, 959786), (340, 733954), (442, 564580), (520, 479893), (680, 366977), (884, 282290), (1105, 225832), (1768, 141145), (2210, 112916), (4420, 56458), (8840, 28229)]