1937500

素因数分解:

$2^2\times 5^6\times {\mathrm{31}}^1$

素因数の和:65

約数の個数: 42

約数和(自身を含む): 4374944

約数和(自身を除く): 2437444

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 500, 620, 625, 775, 1250, 1550, 2500, 3100, 3125, 3875, 6250, 7750, 12500, 15500, 15625, 19375, 31250, 38750, 62500, 77500, 96875, 193750, 387500, 484375, 968750, 1937500]

約数ペア:

[(1, 1937500), (2, 968750), (4, 484375), (5, 387500), (10, 193750), (20, 96875), (25, 77500), (31, 62500), (50, 38750), (62, 31250), (100, 19375), (124, 15625), (125, 15500), (155, 12500), (250, 7750), (310, 6250), (500, 3875), (620, 3125), (625, 3100), (775, 2500), (1250, 1550)]