199970810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 398974464

約数和(自身を除く): 199003654

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 151, 167, 302, 305, 334, 610, 755, 793, 835, 1510, 1586, 1670, 1963, 2171, 3926, 3965, 4342, 7930, 9211, 9815, 10187, 10855, 18422, 19630, 20374, 21710, 25217, 46055, 50434, 50935, 92110, 101870, 119743, 126085, 132431, 239486, 252170, 264862, 327821, 598715, 655642, 662155, 1197430, 1324310, 1538237, 1639105, 3076474, 3278210, 7691185, 15382370, 19997081, 39994162, 99985405, 199970810]

約数ペア:

[(1, 199970810), (2, 99985405), (5, 39994162), (10, 19997081), (13, 15382370), (26, 7691185), (61, 3278210), (65, 3076474), (122, 1639105), (130, 1538237), (151, 1324310), (167, 1197430), (302, 662155), (305, 655642), (334, 598715), (610, 327821), (755, 264862), (793, 252170), (835, 239486), (1510, 132431), (1586, 126085), (1670, 119743), (1963, 101870), (2171, 92110), (3926, 50935), (3965, 50434), (4342, 46055), (7930, 25217), (9211, 21710), (9815, 20374), (10187, 19630), (10855, 18422)]