31459780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4931}}^1$

素因数の和:4980

約数の個数: 48

約数和(自身を含む): 74571840

約数和(自身を除く): 43112060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 4931, 6380, 9862, 19724, 24655, 49310, 54241, 98620, 108482, 142999, 216964, 271205, 285998, 542410, 571996, 714995, 1084820, 1429990, 1572989, 2859980, 3145978, 6291956, 7864945, 15729890, 31459780]

約数ペア:

[(1, 31459780), (2, 15729890), (4, 7864945), (5, 6291956), (10, 3145978), (11, 2859980), (20, 1572989), (22, 1429990), (29, 1084820), (44, 714995), (55, 571996), (58, 542410), (110, 285998), (116, 271205), (145, 216964), (220, 142999), (290, 108482), (319, 98620), (580, 54241), (638, 49310), (1276, 24655), (1595, 19724), (3190, 9862), (4931, 6380)]