2470000

素因数分解:

$2^4\times 5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:60

約数の個数: 100

約数和(自身を含む): 6779080

約数和(自身を除く): 4309080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 80, 95, 100, 104, 125, 130, 152, 190, 200, 208, 247, 250, 260, 304, 325, 380, 400, 475, 494, 500, 520, 625, 650, 760, 950, 988, 1000, 1040, 1235, 1250, 1300, 1520, 1625, 1900, 1976, 2000, 2375, 2470, 2500, 2600, 3250, 3800, 3952, 4750, 4940, 5000, 5200, 6175, 6500, 7600, 8125, 9500, 9880, 10000, 11875, 12350, 13000, 16250, 19000, 19760, 23750, 24700, 26000, 30875, 32500, 38000, 47500, 49400, 61750, 65000, 95000, 98800, 123500, 130000, 154375, 190000, 247000, 308750, 494000, 617500, 1235000, 2470000]

約数ペア:

[(1, 2470000), (2, 1235000), (4, 617500), (5, 494000), (8, 308750), (10, 247000), (13, 190000), (16, 154375), (19, 130000), (20, 123500), (25, 98800), (26, 95000), (38, 65000), (40, 61750), (50, 49400), (52, 47500), (65, 38000), (76, 32500), (80, 30875), (95, 26000), (100, 24700), (104, 23750), (125, 19760), (130, 19000), (152, 16250), (190, 13000), (200, 12350), (208, 11875), (247, 10000), (250, 9880), (260, 9500), (304, 8125), (325, 7600), (380, 6500), (400, 6175), (475, 5200), (494, 5000), (500, 4940), (520, 4750), (625, 3952), (650, 3800), (760, 3250), (950, 2600), (988, 2500), (1000, 2470), (1040, 2375), (1235, 2000), (1250, 1976), (1300, 1900), (1520, 1625)]