129985460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:318

約数の個数: 96

約数和(自身を含む): 317278080

約数和(自身を除く): 187292620

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 257, 380, 418, 484, 514, 605, 836, 1028, 1045, 1210, 1285, 1331, 2090, 2299, 2420, 2570, 2662, 2827, 4180, 4598, 4883, 5140, 5324, 5654, 6655, 9196, 9766, 11308, 11495, 13310, 14135, 19532, 22990, 24415, 25289, 26620, 28270, 31097, 45980, 48830, 50578, 53713, 56540, 62194, 97660, 101156, 107426, 124388, 126445, 155485, 214852, 252890, 268565, 310970, 342067, 505780, 537130, 590843, 621940, 684134, 1074260, 1181686, 1368268, 1710335, 2363372, 2954215, 3420670, 5908430, 6499273, 6841340, 11816860, 12998546, 25997092, 32496365, 64992730, 129985460]

約数ペア:

[(1, 129985460), (2, 64992730), (4, 32496365), (5, 25997092), (10, 12998546), (11, 11816860), (19, 6841340), (20, 6499273), (22, 5908430), (38, 3420670), (44, 2954215), (55, 2363372), (76, 1710335), (95, 1368268), (110, 1181686), (121, 1074260), (190, 684134), (209, 621940), (220, 590843), (242, 537130), (257, 505780), (380, 342067), (418, 310970), (484, 268565), (514, 252890), (605, 214852), (836, 155485), (1028, 126445), (1045, 124388), (1210, 107426), (1285, 101156), (1331, 97660), (2090, 62194), (2299, 56540), (2420, 53713), (2570, 50578), (2662, 48830), (2827, 45980), (4180, 31097), (4598, 28270), (4883, 26620), (5140, 25289), (5324, 24415), (5654, 22990), (6655, 19532), (9196, 14135), (9766, 13310), (11308, 11495)]