177872420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2371}}^1$

素因数の和:2433

約数の個数: 72

約数和(自身を含む): 423999744

約数和(自身を除く): 246127324

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 341, 484, 605, 620, 682, 1210, 1364, 1705, 2371, 2420, 3410, 3751, 4742, 6820, 7502, 9484, 11855, 15004, 18755, 23710, 26081, 37510, 47420, 52162, 73501, 75020, 104324, 130405, 147002, 260810, 286891, 294004, 367505, 521620, 573782, 735010, 808511, 1147564, 1434455, 1470020, 1617022, 2868910, 3234044, 4042555, 5737820, 8085110, 8893621, 16170220, 17787242, 35574484, 44468105, 88936210, 177872420]

約数ペア:

[(1, 177872420), (2, 88936210), (4, 44468105), (5, 35574484), (10, 17787242), (11, 16170220), (20, 8893621), (22, 8085110), (31, 5737820), (44, 4042555), (55, 3234044), (62, 2868910), (110, 1617022), (121, 1470020), (124, 1434455), (155, 1147564), (220, 808511), (242, 735010), (310, 573782), (341, 521620), (484, 367505), (605, 294004), (620, 286891), (682, 260810), (1210, 147002), (1364, 130405), (1705, 104324), (2371, 75020), (2420, 73501), (3410, 52162), (3751, 47420), (4742, 37510), (6820, 26081), (7502, 23710), (9484, 18755), (11855, 15004)]