28305654890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2003}}^1\times {\mathrm{74377}}^1$

素因数の和:76406

約数の個数: 32

約数和(自身を含む): 53659264320

約数和(自身を除く): 25353609430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 2003, 4006, 10015, 20030, 38057, 74377, 76114, 148754, 190285, 371885, 380570, 743770, 1413163, 2826326, 7065815, 14131630, 148977131, 297954262, 744885655, 1489771310, 2830565489, 5661130978, 14152827445, 28305654890]

約数ペア:

[(1, 28305654890), (2, 14152827445), (5, 5661130978), (10, 2830565489), (19, 1489771310), (38, 744885655), (95, 297954262), (190, 148977131), (2003, 14131630), (4006, 7065815), (10015, 2826326), (20030, 1413163), (38057, 743770), (74377, 380570), (76114, 371885), (148754, 190285)]