279969308

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 518563584

約数和(自身を除く): 238594276

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 157, 197, 292, 314, 394, 628, 788, 2263, 4526, 4867, 6107, 9052, 9734, 11461, 12214, 14381, 19468, 22922, 24428, 28762, 30929, 45844, 57524, 61858, 123716, 355291, 445811, 710582, 891622, 958799, 1421164, 1783244, 1917598, 2257817, 3835196, 4515634, 9031268, 69992327, 139984654, 279969308]

約数ペア:

[(1, 279969308), (2, 139984654), (4, 69992327), (31, 9031268), (62, 4515634), (73, 3835196), (124, 2257817), (146, 1917598), (157, 1783244), (197, 1421164), (292, 958799), (314, 891622), (394, 710582), (628, 445811), (788, 355291), (2263, 123716), (4526, 61858), (4867, 57524), (6107, 45844), (9052, 30929), (9734, 28762), (11461, 24428), (12214, 22922), (14381, 19468)]