31909366900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{157889}}^1$

素因数の和:157993

約数の個数: 72

約数和(自身を含む): 72361618560

約数和(自身を除く): 40452251660

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 47, 50, 86, 94, 100, 172, 188, 215, 235, 430, 470, 860, 940, 1075, 1175, 2021, 2150, 2350, 4042, 4300, 4700, 8084, 10105, 20210, 40420, 50525, 101050, 157889, 202100, 315778, 631556, 789445, 1578890, 3157780, 3947225, 6789227, 7420783, 7894450, 13578454, 14841566, 15788900, 27156908, 29683132, 33946135, 37103915, 67892270, 74207830, 135784540, 148415660, 169730675, 185519575, 319093669, 339461350, 371039150, 638187338, 678922700, 742078300, 1276374676, 1595468345, 3190936690, 6381873380, 7977341725, 15954683450, 31909366900]

約数ペア:

[(1, 31909366900), (2, 15954683450), (4, 7977341725), (5, 6381873380), (10, 3190936690), (20, 1595468345), (25, 1276374676), (43, 742078300), (47, 678922700), (50, 638187338), (86, 371039150), (94, 339461350), (100, 319093669), (172, 185519575), (188, 169730675), (215, 148415660), (235, 135784540), (430, 74207830), (470, 67892270), (860, 37103915), (940, 33946135), (1075, 29683132), (1175, 27156908), (2021, 15788900), (2150, 14841566), (2350, 13578454), (4042, 7894450), (4300, 7420783), (4700, 6789227), (8084, 3947225), (10105, 3157780), (20210, 1578890), (40420, 789445), (50525, 631556), (101050, 315778), (157889, 202100)]