220182820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{461}}^1$

素因数の和:661

約数の個数: 96

約数和(自身を含む): 547658496

約数和(自身を除く): 327475676

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 167, 220, 260, 286, 334, 461, 572, 668, 715, 835, 922, 1430, 1670, 1837, 1844, 2171, 2305, 2860, 3340, 3674, 4342, 4610, 5071, 5993, 7348, 8684, 9185, 9220, 10142, 10855, 11986, 18370, 20284, 21710, 23881, 23972, 25355, 29965, 36740, 43420, 47762, 50710, 59930, 65923, 76987, 95524, 101420, 119405, 119860, 131846, 153974, 238810, 263692, 307948, 329615, 384935, 477620, 659230, 769870, 846857, 1000831, 1318460, 1539740, 1693714, 2001662, 3387428, 4003324, 4234285, 5004155, 8468570, 10008310, 11009141, 16937140, 20016620, 22018282, 44036564, 55045705, 110091410, 220182820]

約数ペア:

[(1, 220182820), (2, 110091410), (4, 55045705), (5, 44036564), (10, 22018282), (11, 20016620), (13, 16937140), (20, 11009141), (22, 10008310), (26, 8468570), (44, 5004155), (52, 4234285), (55, 4003324), (65, 3387428), (110, 2001662), (130, 1693714), (143, 1539740), (167, 1318460), (220, 1000831), (260, 846857), (286, 769870), (334, 659230), (461, 477620), (572, 384935), (668, 329615), (715, 307948), (835, 263692), (922, 238810), (1430, 153974), (1670, 131846), (1837, 119860), (1844, 119405), (2171, 101420), (2305, 95524), (2860, 76987), (3340, 65923), (3674, 59930), (4342, 50710), (4610, 47762), (5071, 43420), (5993, 36740), (7348, 29965), (8684, 25355), (9185, 23972), (9220, 23881), (10142, 21710), (10855, 20284), (11986, 18370)]