63965900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 148490496

約数和(自身を除く): 84524596

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 191, 197, 340, 382, 394, 425, 764, 788, 850, 955, 985, 1700, 1910, 1970, 3247, 3349, 3820, 3940, 4775, 4925, 6494, 6698, 9550, 9850, 12988, 13396, 16235, 16745, 19100, 19700, 32470, 33490, 37627, 64940, 66980, 75254, 81175, 83725, 150508, 162350, 167450, 188135, 324700, 334900, 376270, 639659, 752540, 940675, 1279318, 1881350, 2558636, 3198295, 3762700, 6396590, 12793180, 15991475, 31982950, 63965900]

約数ペア:

[(1, 63965900), (2, 31982950), (4, 15991475), (5, 12793180), (10, 6396590), (17, 3762700), (20, 3198295), (25, 2558636), (34, 1881350), (50, 1279318), (68, 940675), (85, 752540), (100, 639659), (170, 376270), (191, 334900), (197, 324700), (340, 188135), (382, 167450), (394, 162350), (425, 150508), (764, 83725), (788, 81175), (850, 75254), (955, 66980), (985, 64940), (1700, 37627), (1910, 33490), (1970, 32470), (3247, 19700), (3349, 19100), (3820, 16745), (3940, 16235), (4775, 13396), (4925, 12988), (6494, 9850), (6698, 9550)]