201949100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{677}}^1$

素因数の和:867

約数の個数: 72

約数和(自身を含む): 464918160

約数和(自身を除く): 262969060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 157, 190, 314, 380, 475, 628, 677, 785, 950, 1354, 1570, 1900, 2708, 2983, 3140, 3385, 3925, 5966, 6770, 7850, 11932, 12863, 13540, 14915, 15700, 16925, 25726, 29830, 33850, 51452, 59660, 64315, 67700, 74575, 106289, 128630, 149150, 212578, 257260, 298300, 321575, 425156, 531445, 643150, 1062890, 1286300, 2019491, 2125780, 2657225, 4038982, 5314450, 8077964, 10097455, 10628900, 20194910, 40389820, 50487275, 100974550, 201949100]

約数ペア:

[(1, 201949100), (2, 100974550), (4, 50487275), (5, 40389820), (10, 20194910), (19, 10628900), (20, 10097455), (25, 8077964), (38, 5314450), (50, 4038982), (76, 2657225), (95, 2125780), (100, 2019491), (157, 1286300), (190, 1062890), (314, 643150), (380, 531445), (475, 425156), (628, 321575), (677, 298300), (785, 257260), (950, 212578), (1354, 149150), (1570, 128630), (1900, 106289), (2708, 74575), (2983, 67700), (3140, 64315), (3385, 59660), (3925, 51452), (5966, 33850), (6770, 29830), (7850, 25726), (11932, 16925), (12863, 15700), (13540, 14915)]