1881500

素因数分解:

$2^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 4245696

約数和(自身を除く): 2364196

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 71, 100, 106, 125, 142, 212, 250, 265, 284, 355, 500, 530, 710, 1060, 1325, 1420, 1775, 2650, 3550, 3763, 5300, 6625, 7100, 7526, 8875, 13250, 15052, 17750, 18815, 26500, 35500, 37630, 75260, 94075, 188150, 376300, 470375, 940750, 1881500]

約数ペア:

[(1, 1881500), (2, 940750), (4, 470375), (5, 376300), (10, 188150), (20, 94075), (25, 75260), (50, 37630), (53, 35500), (71, 26500), (100, 18815), (106, 17750), (125, 15052), (142, 13250), (212, 8875), (250, 7526), (265, 7100), (284, 6625), (355, 5300), (500, 3763), (530, 3550), (710, 2650), (1060, 1775), (1325, 1420)]