1678120990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{141853}}^1$

素因数の和:141893

約数の個数: 48

約数和(自身を含む): 3738136608

約数和(自身を除く): 2060015618

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 169, 182, 338, 455, 845, 910, 1183, 1690, 2366, 5915, 11830, 141853, 283706, 709265, 992971, 1418530, 1844089, 1985942, 3688178, 4964855, 9220445, 9929710, 12908623, 18440890, 23973157, 25817246, 47946314, 64543115, 119865785, 129086230, 167812099, 239731570, 335624198, 839060495, 1678120990]

約数ペア:

[(1, 1678120990), (2, 839060495), (5, 335624198), (7, 239731570), (10, 167812099), (13, 129086230), (14, 119865785), (26, 64543115), (35, 47946314), (65, 25817246), (70, 23973157), (91, 18440890), (130, 12908623), (169, 9929710), (182, 9220445), (338, 4964855), (455, 3688178), (845, 1985942), (910, 1844089), (1183, 1418530), (1690, 992971), (2366, 709265), (5915, 283706), (11830, 141853)]