5451380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 12700800

約数和(自身を除く): 7249420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 349, 355, 698, 710, 781, 1396, 1420, 1562, 1745, 3124, 3490, 3839, 3905, 6980, 7678, 7810, 15356, 15620, 19195, 24779, 38390, 49558, 76780, 99116, 123895, 247790, 272569, 495580, 545138, 1090276, 1362845, 2725690, 5451380]

約数ペア:

[(1, 5451380), (2, 2725690), (4, 1362845), (5, 1090276), (10, 545138), (11, 495580), (20, 272569), (22, 247790), (44, 123895), (55, 99116), (71, 76780), (110, 49558), (142, 38390), (220, 24779), (284, 19195), (349, 15620), (355, 15356), (698, 7810), (710, 7678), (781, 6980), (1396, 3905), (1420, 3839), (1562, 3490), (1745, 3124)]