215501110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{571}}^1$

素因数の和:709

約数の個数: 64

約数和(自身を含む): 438856704

約数和(自身を除く): 223355594

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 73, 94, 110, 146, 235, 365, 470, 517, 571, 730, 803, 1034, 1142, 1606, 2585, 2855, 3431, 4015, 5170, 5710, 6281, 6862, 8030, 12562, 17155, 26837, 31405, 34310, 37741, 41683, 53674, 62810, 75482, 83366, 134185, 188705, 208415, 268370, 295207, 377410, 416830, 458513, 590414, 917026, 1476035, 1959101, 2292565, 2952070, 3918202, 4585130, 9795505, 19591010, 21550111, 43100222, 107750555, 215501110]

約数ペア:

[(1, 215501110), (2, 107750555), (5, 43100222), (10, 21550111), (11, 19591010), (22, 9795505), (47, 4585130), (55, 3918202), (73, 2952070), (94, 2292565), (110, 1959101), (146, 1476035), (235, 917026), (365, 590414), (470, 458513), (517, 416830), (571, 377410), (730, 295207), (803, 268370), (1034, 208415), (1142, 188705), (1606, 134185), (2585, 83366), (2855, 75482), (3431, 62810), (4015, 53674), (5170, 41683), (5710, 37741), (6281, 34310), (6862, 31405), (8030, 26837), (12562, 17155)]