242265140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{931789}}^1$

素因数の和:931811

約数の個数: 24

約数和(自身を含む): 547892520

約数和(自身を除く): 305627380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 931789, 1863578, 3727156, 4658945, 9317890, 12113257, 18635780, 24226514, 48453028, 60566285, 121132570, 242265140]

約数ペア:

[(1, 242265140), (2, 121132570), (4, 60566285), (5, 48453028), (10, 24226514), (13, 18635780), (20, 12113257), (26, 9317890), (52, 4658945), (65, 3727156), (130, 1863578), (260, 931789)]