858794840

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{1231}}^1$

素因数の和:1512

約数の個数: 64

約数和(自身を含む): 1963906560

約数和(自身を除く): 1105111720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 163, 214, 326, 428, 535, 652, 815, 856, 1070, 1231, 1304, 1630, 2140, 2462, 3260, 4280, 4924, 6155, 6520, 9848, 12310, 17441, 24620, 34882, 49240, 69764, 87205, 131717, 139528, 174410, 200653, 263434, 348820, 401306, 526868, 658585, 697640, 802612, 1003265, 1053736, 1317170, 1605224, 2006530, 2634340, 4013060, 5268680, 8026120, 21469871, 42939742, 85879484, 107349355, 171758968, 214698710, 429397420, 858794840]

約数ペア:

[(1, 858794840), (2, 429397420), (4, 214698710), (5, 171758968), (8, 107349355), (10, 85879484), (20, 42939742), (40, 21469871), (107, 8026120), (163, 5268680), (214, 4013060), (326, 2634340), (428, 2006530), (535, 1605224), (652, 1317170), (815, 1053736), (856, 1003265), (1070, 802612), (1231, 697640), (1304, 658585), (1630, 526868), (2140, 401306), (2462, 348820), (3260, 263434), (4280, 200653), (4924, 174410), (6155, 139528), (6520, 131717), (9848, 87205), (12310, 69764), (17441, 49240), (24620, 34882)]