291258890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3359}}^1$

素因数の和:3431

約数の個数: 64

約数和(自身を含む): 609638400

約数和(自身を除く): 318379510

約数列:

[1, 2, 5, 10, 13, 23, 26, 29, 46, 58, 65, 115, 130, 145, 230, 290, 299, 377, 598, 667, 754, 1334, 1495, 1885, 2990, 3335, 3359, 3770, 6670, 6718, 8671, 16795, 17342, 33590, 43355, 43667, 77257, 86710, 87334, 97411, 154514, 194822, 218335, 386285, 436670, 487055, 772570, 974110, 1004341, 1266343, 2008682, 2240453, 2532686, 4480906, 5021705, 6331715, 10043410, 11202265, 12663430, 22404530, 29125889, 58251778, 145629445, 291258890]

約数ペア:

[(1, 291258890), (2, 145629445), (5, 58251778), (10, 29125889), (13, 22404530), (23, 12663430), (26, 11202265), (29, 10043410), (46, 6331715), (58, 5021705), (65, 4480906), (115, 2532686), (130, 2240453), (145, 2008682), (230, 1266343), (290, 1004341), (299, 974110), (377, 772570), (598, 487055), (667, 436670), (754, 386285), (1334, 218335), (1495, 194822), (1885, 154514), (2990, 97411), (3335, 87334), (3359, 86710), (3770, 77257), (6670, 43667), (6718, 43355), (8671, 33590), (16795, 17342)]