286960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:241

約数の個数: 40

約数和(自身を含む): 709776

約数和(自身を除く): 422816

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 211, 272, 340, 422, 680, 844, 1055, 1360, 1688, 2110, 3376, 3587, 4220, 7174, 8440, 14348, 16880, 17935, 28696, 35870, 57392, 71740, 143480, 286960]

約数ペア:

[(1, 286960), (2, 143480), (4, 71740), (5, 57392), (8, 35870), (10, 28696), (16, 17935), (17, 16880), (20, 14348), (34, 8440), (40, 7174), (68, 4220), (80, 3587), (85, 3376), (136, 2110), (170, 1688), (211, 1360), (272, 1055), (340, 844), (422, 680)]