3087500

素因数分解:

$2^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:61

約数の個数: 72

約数和(自身を含む): 7655760

約数和(自身を除く): 4568260

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 125, 130, 190, 247, 250, 260, 325, 380, 475, 494, 500, 625, 650, 950, 988, 1235, 1250, 1300, 1625, 1900, 2375, 2470, 2500, 3125, 3250, 4750, 4940, 6175, 6250, 6500, 8125, 9500, 11875, 12350, 12500, 16250, 23750, 24700, 30875, 32500, 40625, 47500, 59375, 61750, 81250, 118750, 123500, 154375, 162500, 237500, 308750, 617500, 771875, 1543750, 3087500]

約数ペア:

[(1, 3087500), (2, 1543750), (4, 771875), (5, 617500), (10, 308750), (13, 237500), (19, 162500), (20, 154375), (25, 123500), (26, 118750), (38, 81250), (50, 61750), (52, 59375), (65, 47500), (76, 40625), (95, 32500), (100, 30875), (125, 24700), (130, 23750), (190, 16250), (247, 12500), (250, 12350), (260, 11875), (325, 9500), (380, 8125), (475, 6500), (494, 6250), (500, 6175), (625, 4940), (650, 4750), (950, 3250), (988, 3125), (1235, 2500), (1250, 2470), (1300, 2375), (1625, 1900)]