138466580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{26731}}^1$

素因数の和:26784

約数の個数: 48

約数和(自身を含む): 341314176

約数和(自身を除く): 202847596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 26731, 53462, 106924, 133655, 187117, 267310, 374234, 534620, 748468, 935585, 989047, 1871170, 1978094, 3742340, 3956188, 4945235, 6923329, 9890470, 13846658, 19780940, 27693316, 34616645, 69233290, 138466580]

約数ペア:

[(1, 138466580), (2, 69233290), (4, 34616645), (5, 27693316), (7, 19780940), (10, 13846658), (14, 9890470), (20, 6923329), (28, 4945235), (35, 3956188), (37, 3742340), (70, 1978094), (74, 1871170), (140, 989047), (148, 935585), (185, 748468), (259, 534620), (370, 374234), (518, 267310), (740, 187117), (1036, 133655), (1295, 106924), (2590, 53462), (5180, 26731)]