4490750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 64

約数和(自身を含む): 9704448

約数和(自身を除く): 5213698

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 71, 110, 115, 125, 142, 230, 250, 253, 275, 355, 506, 550, 575, 710, 781, 1150, 1265, 1375, 1562, 1633, 1775, 2530, 2750, 2875, 3266, 3550, 3905, 5750, 6325, 7810, 8165, 8875, 12650, 16330, 17750, 17963, 19525, 31625, 35926, 39050, 40825, 63250, 81650, 89815, 97625, 179630, 195250, 204125, 408250, 449075, 898150, 2245375, 4490750]

約数ペア:

[(1, 4490750), (2, 2245375), (5, 898150), (10, 449075), (11, 408250), (22, 204125), (23, 195250), (25, 179630), (46, 97625), (50, 89815), (55, 81650), (71, 63250), (110, 40825), (115, 39050), (125, 35926), (142, 31625), (230, 19525), (250, 17963), (253, 17750), (275, 16330), (355, 12650), (506, 8875), (550, 8165), (575, 7810), (710, 6325), (781, 5750), (1150, 3905), (1265, 3550), (1375, 3266), (1562, 2875), (1633, 2750), (1775, 2530)]