162172420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1\times {\mathrm{401}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 347337648

約数和(自身を除く): 185165228

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 277, 292, 365, 401, 554, 730, 802, 1108, 1385, 1460, 1604, 2005, 2770, 4010, 5540, 8020, 20221, 29273, 40442, 58546, 80884, 101105, 111077, 117092, 146365, 202210, 222154, 292730, 404420, 444308, 555385, 585460, 1110770, 2221540, 8108621, 16217242, 32434484, 40543105, 81086210, 162172420]

約数ペア:

[(1, 162172420), (2, 81086210), (4, 40543105), (5, 32434484), (10, 16217242), (20, 8108621), (73, 2221540), (146, 1110770), (277, 585460), (292, 555385), (365, 444308), (401, 404420), (554, 292730), (730, 222154), (802, 202210), (1108, 146365), (1385, 117092), (1460, 111077), (1604, 101105), (2005, 80884), (2770, 58546), (4010, 40442), (5540, 29273), (8020, 20221)]