312400220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{167}}^1\times {\mathrm{773}}^1$

素因数の和:971

約数の個数: 72

約数和(自身を含む): 726358752

約数和(自身を除く): 413958532

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 167, 220, 242, 334, 484, 605, 668, 773, 835, 1210, 1546, 1670, 1837, 2420, 3092, 3340, 3674, 3865, 7348, 7730, 8503, 9185, 15460, 17006, 18370, 20207, 34012, 36740, 40414, 42515, 80828, 85030, 93533, 101035, 129091, 170060, 187066, 202070, 258182, 374132, 404140, 467665, 516364, 645455, 935330, 1290910, 1420001, 1870660, 2581820, 2840002, 5680004, 7100005, 14200010, 15620011, 28400020, 31240022, 62480044, 78100055, 156200110, 312400220]

約数ペア:

[(1, 312400220), (2, 156200110), (4, 78100055), (5, 62480044), (10, 31240022), (11, 28400020), (20, 15620011), (22, 14200010), (44, 7100005), (55, 5680004), (110, 2840002), (121, 2581820), (167, 1870660), (220, 1420001), (242, 1290910), (334, 935330), (484, 645455), (605, 516364), (668, 467665), (773, 404140), (835, 374132), (1210, 258182), (1546, 202070), (1670, 187066), (1837, 170060), (2420, 129091), (3092, 101035), (3340, 93533), (3674, 85030), (3865, 80828), (7348, 42515), (7730, 40414), (8503, 36740), (9185, 34012), (15460, 20207), (17006, 18370)]