139211380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{90397}}^1$

素因数の和:90424

約数の個数: 48

約数和(自身を含む): 364484736

約数和(自身を除く): 225273356

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 90397, 180794, 361588, 451985, 632779, 903970, 994367, 1265558, 1807940, 1988734, 2531116, 3163895, 3977468, 4971835, 6327790, 6960569, 9943670, 12655580, 13921138, 19887340, 27842276, 34802845, 69605690, 139211380]

約数ペア:

[(1, 139211380), (2, 69605690), (4, 34802845), (5, 27842276), (7, 19887340), (10, 13921138), (11, 12655580), (14, 9943670), (20, 6960569), (22, 6327790), (28, 4971835), (35, 3977468), (44, 3163895), (55, 2531116), (70, 1988734), (77, 1807940), (110, 1265558), (140, 994367), (154, 903970), (220, 632779), (308, 451985), (385, 361588), (770, 180794), (1540, 90397)]