908821720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{8803}}^1$

素因数の和:8932

約数の個数: 64

約数和(自身を含む): 2139372000

約数和(自身を除く): 1230550280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 89, 116, 145, 178, 232, 290, 356, 445, 580, 712, 890, 1160, 1780, 2581, 3560, 5162, 8803, 10324, 12905, 17606, 20648, 25810, 35212, 44015, 51620, 70424, 88030, 103240, 176060, 255287, 352120, 510574, 783467, 1021148, 1276435, 1566934, 2042296, 2552870, 3133868, 3917335, 5105740, 6267736, 7834670, 10211480, 15669340, 22720543, 31338680, 45441086, 90882172, 113602715, 181764344, 227205430, 454410860, 908821720]

約数ペア:

[(1, 908821720), (2, 454410860), (4, 227205430), (5, 181764344), (8, 113602715), (10, 90882172), (20, 45441086), (29, 31338680), (40, 22720543), (58, 15669340), (89, 10211480), (116, 7834670), (145, 6267736), (178, 5105740), (232, 3917335), (290, 3133868), (356, 2552870), (445, 2042296), (580, 1566934), (712, 1276435), (890, 1021148), (1160, 783467), (1780, 510574), (2581, 352120), (3560, 255287), (5162, 176060), (8803, 103240), (10324, 88030), (12905, 70424), (17606, 51620), (20648, 44015), (25810, 35212)]