2151500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 5075616

約数和(自身を除く): 2924116

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 331, 500, 650, 662, 1300, 1324, 1625, 1655, 3250, 3310, 4303, 6500, 6620, 8275, 8606, 16550, 17212, 21515, 33100, 41375, 43030, 82750, 86060, 107575, 165500, 215150, 430300, 537875, 1075750, 2151500]

約数ペア:

[(1, 2151500), (2, 1075750), (4, 537875), (5, 430300), (10, 215150), (13, 165500), (20, 107575), (25, 86060), (26, 82750), (50, 43030), (52, 41375), (65, 33100), (100, 21515), (125, 17212), (130, 16550), (250, 8606), (260, 8275), (325, 6620), (331, 6500), (500, 4303), (650, 3310), (662, 3250), (1300, 1655), (1324, 1625)]