31789780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{631}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 73261440

約数和(自身を除く): 41471660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 229, 458, 631, 916, 1145, 1262, 2290, 2519, 2524, 3155, 4580, 5038, 6310, 6941, 10076, 12595, 12620, 13882, 25190, 27764, 34705, 50380, 69410, 138820, 144499, 288998, 577996, 722495, 1444990, 1589489, 2889980, 3178978, 6357956, 7947445, 15894890, 31789780]

約数ペア:

[(1, 31789780), (2, 15894890), (4, 7947445), (5, 6357956), (10, 3178978), (11, 2889980), (20, 1589489), (22, 1444990), (44, 722495), (55, 577996), (110, 288998), (220, 144499), (229, 138820), (458, 69410), (631, 50380), (916, 34705), (1145, 27764), (1262, 25190), (2290, 13882), (2519, 12620), (2524, 12595), (3155, 10076), (4580, 6941), (5038, 6310)]