279388590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31147}}^1$

素因数の和:31193

約数の個数: 64

約数和(自身を含む): 753532416

約数和(自身を除く): 474143826

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2990, 4485, 8970, 31147, 62294, 93441, 155735, 186882, 311470, 404911, 467205, 716381, 809822, 934410, 1214733, 1432762, 2024555, 2149143, 2429466, 3581905, 4049110, 4298286, 6073665, 7163810, 9312953, 10745715, 12147330, 18625906, 21491430, 27938859, 46564765, 55877718, 93129530, 139694295, 279388590]

約数ペア:

[(1, 279388590), (2, 139694295), (3, 93129530), (5, 55877718), (6, 46564765), (10, 27938859), (13, 21491430), (15, 18625906), (23, 12147330), (26, 10745715), (30, 9312953), (39, 7163810), (46, 6073665), (65, 4298286), (69, 4049110), (78, 3581905), (115, 2429466), (130, 2149143), (138, 2024555), (195, 1432762), (230, 1214733), (299, 934410), (345, 809822), (390, 716381), (598, 467205), (690, 404911), (897, 311470), (1495, 186882), (1794, 155735), (2990, 93441), (4485, 62294), (8970, 31147)]