288538280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{2011}}^1$

素因数の和:2250

約数の個数: 64

約数和(自身を含む): 691001280

約数和(自身を除く): 402463000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 211, 340, 422, 680, 844, 1055, 1688, 2011, 2110, 3587, 4022, 4220, 7174, 8044, 8440, 10055, 14348, 16088, 17935, 20110, 28696, 34187, 35870, 40220, 68374, 71740, 80440, 136748, 143480, 170935, 273496, 341870, 424321, 683740, 848642, 1367480, 1697284, 2121605, 3394568, 4243210, 7213457, 8486420, 14426914, 16972840, 28853828, 36067285, 57707656, 72134570, 144269140, 288538280]

約数ペア:

[(1, 288538280), (2, 144269140), (4, 72134570), (5, 57707656), (8, 36067285), (10, 28853828), (17, 16972840), (20, 14426914), (34, 8486420), (40, 7213457), (68, 4243210), (85, 3394568), (136, 2121605), (170, 1697284), (211, 1367480), (340, 848642), (422, 683740), (680, 424321), (844, 341870), (1055, 273496), (1688, 170935), (2011, 143480), (2110, 136748), (3587, 80440), (4022, 71740), (4220, 68374), (7174, 40220), (8044, 35870), (8440, 34187), (10055, 28696), (14348, 20110), (16088, 17935)]