290728204

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 557424000

約数和(自身を除く): 266695796

約数列:

[1, 2, 4, 13, 26, 52, 149, 157, 239, 298, 314, 478, 596, 628, 956, 1937, 2041, 3107, 3874, 4082, 6214, 7748, 8164, 12428, 23393, 35611, 37523, 46786, 71222, 75046, 93572, 142444, 150092, 304109, 462943, 487799, 608218, 925886, 975598, 1216436, 1851772, 1951196, 5590927, 11181854, 22363708, 72682051, 145364102, 290728204]

約数ペア:

[(1, 290728204), (2, 145364102), (4, 72682051), (13, 22363708), (26, 11181854), (52, 5590927), (149, 1951196), (157, 1851772), (239, 1216436), (298, 975598), (314, 925886), (478, 608218), (596, 487799), (628, 462943), (956, 304109), (1937, 150092), (2041, 142444), (3107, 93572), (3874, 75046), (4082, 71222), (6214, 46786), (7748, 37523), (8164, 35611), (12428, 23393)]