201658820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21317}}^1$

素因数の和:21380

約数の個数: 48

約数和(自身を含む): 472747968

約数和(自身を除く): 271089148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 21317, 42634, 85268, 106585, 213170, 234487, 426340, 468974, 916631, 937948, 1172435, 1833262, 2344870, 3666524, 4583155, 4689740, 9166310, 10082941, 18332620, 20165882, 40331764, 50414705, 100829410, 201658820]

約数ペア:

[(1, 201658820), (2, 100829410), (4, 50414705), (5, 40331764), (10, 20165882), (11, 18332620), (20, 10082941), (22, 9166310), (43, 4689740), (44, 4583155), (55, 3666524), (86, 2344870), (110, 1833262), (172, 1172435), (215, 937948), (220, 916631), (430, 468974), (473, 426340), (860, 234487), (946, 213170), (1892, 106585), (2365, 85268), (4730, 42634), (9460, 21317)]