8981500

素因数分解:

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

素因数の和:124

約数の個数: 96

約数和(自身を含む): 22643712

約数和(自身を除く): 13662212

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 71, 92, 100, 110, 115, 125, 142, 220, 230, 250, 253, 275, 284, 355, 460, 500, 506, 550, 575, 710, 781, 1012, 1100, 1150, 1265, 1375, 1420, 1562, 1633, 1775, 2300, 2530, 2750, 2875, 3124, 3266, 3550, 3905, 5060, 5500, 5750, 6325, 6532, 7100, 7810, 8165, 8875, 11500, 12650, 15620, 16330, 17750, 17963, 19525, 25300, 31625, 32660, 35500, 35926, 39050, 40825, 63250, 71852, 78100, 81650, 89815, 97625, 126500, 163300, 179630, 195250, 204125, 359260, 390500, 408250, 449075, 816500, 898150, 1796300, 2245375, 4490750, 8981500]

約数ペア:

[(1, 8981500), (2, 4490750), (4, 2245375), (5, 1796300), (10, 898150), (11, 816500), (20, 449075), (22, 408250), (23, 390500), (25, 359260), (44, 204125), (46, 195250), (50, 179630), (55, 163300), (71, 126500), (92, 97625), (100, 89815), (110, 81650), (115, 78100), (125, 71852), (142, 63250), (220, 40825), (230, 39050), (250, 35926), (253, 35500), (275, 32660), (284, 31625), (355, 25300), (460, 19525), (500, 17963), (506, 17750), (550, 16330), (575, 15620), (710, 12650), (781, 11500), (1012, 8875), (1100, 8165), (1150, 7810), (1265, 7100), (1375, 6532), (1420, 6325), (1562, 5750), (1633, 5500), (1775, 5060), (2300, 3905), (2530, 3550), (2750, 3266), (2875, 3124)]