278316770

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{15733}}^1$

素因数の和:15830

約数の個数: 32

約数和(自身を含む): 526774320

約数和(自身を除く): 248457550

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 145, 290, 305, 610, 1769, 3538, 8845, 15733, 17690, 31466, 78665, 157330, 456257, 912514, 959713, 1919426, 2281285, 4562570, 4798565, 9597130, 27831677, 55663354, 139158385, 278316770]

約数ペア:

[(1, 278316770), (2, 139158385), (5, 55663354), (10, 27831677), (29, 9597130), (58, 4798565), (61, 4562570), (122, 2281285), (145, 1919426), (290, 959713), (305, 912514), (610, 456257), (1769, 157330), (3538, 78665), (8845, 31466), (15733, 17690)]