9097940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 19958400

約数和(自身を除く): 10860460

約数列:

[1, 2, 4, 5, 10, 20, 43, 71, 86, 142, 149, 172, 215, 284, 298, 355, 430, 596, 710, 745, 860, 1420, 1490, 2980, 3053, 6106, 6407, 10579, 12212, 12814, 15265, 21158, 25628, 30530, 32035, 42316, 52895, 61060, 64070, 105790, 128140, 211580, 454897, 909794, 1819588, 2274485, 4548970, 9097940]

約数ペア:

[(1, 9097940), (2, 4548970), (4, 2274485), (5, 1819588), (10, 909794), (20, 454897), (43, 211580), (71, 128140), (86, 105790), (142, 64070), (149, 61060), (172, 52895), (215, 42316), (284, 32035), (298, 30530), (355, 25628), (430, 21158), (596, 15265), (710, 12814), (745, 12212), (860, 10579), (1420, 6407), (1490, 6106), (2980, 3053)]