201268990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 407151360

約数和(自身を除く): 205882370

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 197, 271, 290, 377, 394, 542, 754, 985, 1355, 1885, 1970, 2561, 2710, 3523, 3770, 5122, 5713, 7046, 7859, 11426, 12805, 15718, 17615, 25610, 28565, 35230, 39295, 53387, 57130, 74269, 78590, 102167, 106774, 148538, 204334, 266935, 371345, 510835, 533870, 694031, 742690, 1021670, 1388062, 1548223, 3096446, 3470155, 6940310, 7741115, 15482230, 20126899, 40253798, 100634495, 201268990]

約数ペア:

[(1, 201268990), (2, 100634495), (5, 40253798), (10, 20126899), (13, 15482230), (26, 7741115), (29, 6940310), (58, 3470155), (65, 3096446), (130, 1548223), (145, 1388062), (197, 1021670), (271, 742690), (290, 694031), (377, 533870), (394, 510835), (542, 371345), (754, 266935), (985, 204334), (1355, 148538), (1885, 106774), (1970, 102167), (2561, 78590), (2710, 74269), (3523, 57130), (3770, 53387), (5122, 39295), (5713, 35230), (7046, 28565), (7859, 25610), (11426, 17615), (12805, 15718)]