12348740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 27010368

約数和(自身を除く): 14661628

約数列:

[1, 2, 4, 5, 10, 20, 43, 83, 86, 166, 172, 173, 215, 332, 346, 415, 430, 692, 830, 860, 865, 1660, 1730, 3460, 3569, 7138, 7439, 14276, 14359, 14878, 17845, 28718, 29756, 35690, 37195, 57436, 71380, 71795, 74390, 143590, 148780, 287180, 617437, 1234874, 2469748, 3087185, 6174370, 12348740]

約数ペア:

[(1, 12348740), (2, 6174370), (4, 3087185), (5, 2469748), (10, 1234874), (20, 617437), (43, 287180), (83, 148780), (86, 143590), (166, 74390), (172, 71795), (173, 71380), (215, 57436), (332, 37195), (346, 35690), (415, 29756), (430, 28718), (692, 17845), (830, 14878), (860, 14359), (865, 14276), (1660, 7439), (1730, 7138), (3460, 3569)]