2011309220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{59471}}^1$

素因数の和:59588

約数の個数: 48

約数和(自身を含む): 4496083200

約数和(自身を除く): 2484773980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 6764, 8455, 16910, 33820, 59471, 118942, 237884, 297355, 594710, 1129949, 1189420, 2259898, 4519796, 5292919, 5649745, 10585838, 11299490, 21171676, 22598980, 26464595, 52929190, 100565461, 105858380, 201130922, 402261844, 502827305, 1005654610, 2011309220]

約数ペア:

[(1, 2011309220), (2, 1005654610), (4, 502827305), (5, 402261844), (10, 201130922), (19, 105858380), (20, 100565461), (38, 52929190), (76, 26464595), (89, 22598980), (95, 21171676), (178, 11299490), (190, 10585838), (356, 5649745), (380, 5292919), (445, 4519796), (890, 2259898), (1691, 1189420), (1780, 1129949), (3382, 594710), (6764, 297355), (8455, 237884), (16910, 118942), (33820, 59471)]