179433940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{21011}}^1$

素因数の和:21088

約数の個数: 48

約数和(自身を含む): 437721984

約数和(自身を除く): 258288044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 21011, 42022, 84044, 105055, 147077, 210110, 294154, 420220, 588308, 735385, 1281671, 1470770, 2563342, 2941540, 5126684, 6408355, 8971697, 12816710, 17943394, 25633420, 35886788, 44858485, 89716970, 179433940]

約数ペア:

[(1, 179433940), (2, 89716970), (4, 44858485), (5, 35886788), (7, 25633420), (10, 17943394), (14, 12816710), (20, 8971697), (28, 6408355), (35, 5126684), (61, 2941540), (70, 2563342), (122, 1470770), (140, 1281671), (244, 735385), (305, 588308), (427, 420220), (610, 294154), (854, 210110), (1220, 147077), (1708, 105055), (2135, 84044), (4270, 42022), (8540, 21011)]