153900580

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{86461}}^1$

素因数の和:86559

約数の個数: 24

約数和(自身を含む): 326826360

約数和(自身を除く): 172925780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 86461, 172922, 345844, 432305, 864610, 1729220, 7695029, 15390058, 30780116, 38475145, 76950290, 153900580]

約数ペア:

[(1, 153900580), (2, 76950290), (4, 38475145), (5, 30780116), (10, 15390058), (20, 7695029), (89, 1729220), (178, 864610), (356, 432305), (445, 345844), (890, 172922), (1780, 86461)]