201931000

素因数分解:

$2^3\times 5^3\times {\mathrm{113}}^1\times {\mathrm{1787}}^1$

素因数の和:1921

約数の個数: 64

約数和(自身を含む): 476966880

約数和(自身を除く): 275035880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 113, 125, 200, 226, 250, 452, 500, 565, 904, 1000, 1130, 1787, 2260, 2825, 3574, 4520, 5650, 7148, 8935, 11300, 14125, 14296, 17870, 22600, 28250, 35740, 44675, 56500, 71480, 89350, 113000, 178700, 201931, 223375, 357400, 403862, 446750, 807724, 893500, 1009655, 1615448, 1787000, 2019310, 4038620, 5048275, 8077240, 10096550, 20193100, 25241375, 40386200, 50482750, 100965500, 201931000]

約数ペア:

[(1, 201931000), (2, 100965500), (4, 50482750), (5, 40386200), (8, 25241375), (10, 20193100), (20, 10096550), (25, 8077240), (40, 5048275), (50, 4038620), (100, 2019310), (113, 1787000), (125, 1615448), (200, 1009655), (226, 893500), (250, 807724), (452, 446750), (500, 403862), (565, 357400), (904, 223375), (1000, 201931), (1130, 178700), (1787, 113000), (2260, 89350), (2825, 71480), (3574, 56500), (4520, 44675), (5650, 35740), (7148, 28250), (8935, 22600), (11300, 17870), (14125, 14296)]