258972010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{21599}}^1$

素因数の和:21726

約数の個数: 32

約数和(自身を含む): 513216000

約数和(自身を除く): 254243990

約数列:

[1, 2, 5, 10, 11, 22, 55, 109, 110, 218, 545, 1090, 1199, 2398, 5995, 11990, 21599, 43198, 107995, 215990, 237589, 475178, 1187945, 2354291, 2375890, 4708582, 11771455, 23542910, 25897201, 51794402, 129486005, 258972010]

約数ペア:

[(1, 258972010), (2, 129486005), (5, 51794402), (10, 25897201), (11, 23542910), (22, 11771455), (55, 4708582), (109, 2375890), (110, 2354291), (218, 1187945), (545, 475178), (1090, 237589), (1199, 215990), (2398, 107995), (5995, 43198), (11990, 21599)]