2897500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:104

約数の個数: 60

約数和(自身を含む): 6779080

約数和(自身を除く): 3881580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 61, 76, 95, 100, 122, 125, 190, 244, 250, 305, 380, 475, 500, 610, 625, 950, 1159, 1220, 1250, 1525, 1900, 2318, 2375, 2500, 3050, 4636, 4750, 5795, 6100, 7625, 9500, 11590, 11875, 15250, 23180, 23750, 28975, 30500, 38125, 47500, 57950, 76250, 115900, 144875, 152500, 289750, 579500, 724375, 1448750, 2897500]

約数ペア:

[(1, 2897500), (2, 1448750), (4, 724375), (5, 579500), (10, 289750), (19, 152500), (20, 144875), (25, 115900), (38, 76250), (50, 57950), (61, 47500), (76, 38125), (95, 30500), (100, 28975), (122, 23750), (125, 23180), (190, 15250), (244, 11875), (250, 11590), (305, 9500), (380, 7625), (475, 6100), (500, 5795), (610, 4750), (625, 4636), (950, 3050), (1159, 2500), (1220, 2375), (1250, 2318), (1525, 1900)]