201444500

素因数分解:

$2^2\times 5^3\times {\mathrm{101}}^1\times {\mathrm{3989}}^1$

素因数の和:4109

約数の個数: 48

約数和(自身を含む): 444422160

約数和(自身を除く): 242977660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 125, 202, 250, 404, 500, 505, 1010, 2020, 2525, 3989, 5050, 7978, 10100, 12625, 15956, 19945, 25250, 39890, 50500, 79780, 99725, 199450, 398900, 402889, 498625, 805778, 997250, 1611556, 1994500, 2014445, 4028890, 8057780, 10072225, 20144450, 40288900, 50361125, 100722250, 201444500]

約数ペア:

[(1, 201444500), (2, 100722250), (4, 50361125), (5, 40288900), (10, 20144450), (20, 10072225), (25, 8057780), (50, 4028890), (100, 2014445), (101, 1994500), (125, 1611556), (202, 997250), (250, 805778), (404, 498625), (500, 402889), (505, 398900), (1010, 199450), (2020, 99725), (2525, 79780), (3989, 50500), (5050, 39890), (7978, 25250), (10100, 19945), (12625, 15956)]