1915194620

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{523}}^1\times {\mathrm{661}}^1$

素因数の和:1470

約数の個数: 48

約数和(自身を含む): 4050264288

約数和(自身を除く): 2135069668

約数列:

[1, 2, 4, 5, 10, 20, 277, 523, 554, 661, 1046, 1108, 1322, 1385, 2092, 2615, 2644, 2770, 3305, 5230, 5540, 6610, 10460, 13220, 144871, 183097, 289742, 345703, 366194, 579484, 691406, 724355, 732388, 915485, 1382812, 1448710, 1728515, 1830970, 2897420, 3457030, 3661940, 6914060, 95759731, 191519462, 383038924, 478798655, 957597310, 1915194620]

約数ペア:

[(1, 1915194620), (2, 957597310), (4, 478798655), (5, 383038924), (10, 191519462), (20, 95759731), (277, 6914060), (523, 3661940), (554, 3457030), (661, 2897420), (1046, 1830970), (1108, 1728515), (1322, 1448710), (1385, 1382812), (2092, 915485), (2615, 732388), (2644, 724355), (2770, 691406), (3305, 579484), (5230, 366194), (5540, 345703), (6610, 289742), (10460, 183097), (13220, 144871)]