201871960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{265621}}^1$

素因数の和:265651

約数の個数: 32

約数和(自身を含む): 478119600

約数和(自身を除く): 276247640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 265621, 531242, 1062484, 1328105, 2124968, 2656210, 5046799, 5312420, 10093598, 10624840, 20187196, 25233995, 40374392, 50467990, 100935980, 201871960]

約数ペア:

[(1, 201871960), (2, 100935980), (4, 50467990), (5, 40374392), (8, 25233995), (10, 20187196), (19, 10624840), (20, 10093598), (38, 5312420), (40, 5046799), (76, 2656210), (95, 2124968), (152, 1328105), (190, 1062484), (380, 531242), (760, 265621)]