78451000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{4129}}^1$

素因数の和:4169

約数の個数: 64

約数和(自身を含む): 193284000

約数和(自身を除く): 114833000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 950, 1000, 1900, 2375, 3800, 4129, 4750, 8258, 9500, 16516, 19000, 20645, 33032, 41290, 78451, 82580, 103225, 156902, 165160, 206450, 313804, 392255, 412900, 516125, 627608, 784510, 825800, 1032250, 1569020, 1961275, 2064500, 3138040, 3922550, 4129000, 7845100, 9806375, 15690200, 19612750, 39225500, 78451000]

約数ペア:

[(1, 78451000), (2, 39225500), (4, 19612750), (5, 15690200), (8, 9806375), (10, 7845100), (19, 4129000), (20, 3922550), (25, 3138040), (38, 2064500), (40, 1961275), (50, 1569020), (76, 1032250), (95, 825800), (100, 784510), (125, 627608), (152, 516125), (190, 412900), (200, 392255), (250, 313804), (380, 206450), (475, 165160), (500, 156902), (760, 103225), (950, 82580), (1000, 78451), (1900, 41290), (2375, 33032), (3800, 20645), (4129, 19000), (4750, 16516), (8258, 9500)]