1889971590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{47981}}^1$

素因数の和:48105

約数の個数: 64

約数和(自身を含む): 4933317312

約数和(自身を除く): 3043345722

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 101, 130, 195, 202, 303, 390, 505, 606, 1010, 1313, 1515, 2626, 3030, 3939, 6565, 7878, 13130, 19695, 39390, 47981, 95962, 143943, 239905, 287886, 479810, 623753, 719715, 1247506, 1439430, 1871259, 3118765, 3742518, 4846081, 6237530, 9356295, 9692162, 14538243, 18712590, 24230405, 29076486, 48460810, 62999053, 72691215, 125998106, 145382430, 188997159, 314995265, 377994318, 629990530, 944985795, 1889971590]

約数ペア:

[(1, 1889971590), (2, 944985795), (3, 629990530), (5, 377994318), (6, 314995265), (10, 188997159), (13, 145382430), (15, 125998106), (26, 72691215), (30, 62999053), (39, 48460810), (65, 29076486), (78, 24230405), (101, 18712590), (130, 14538243), (195, 9692162), (202, 9356295), (303, 6237530), (390, 4846081), (505, 3742518), (606, 3118765), (1010, 1871259), (1313, 1439430), (1515, 1247506), (2626, 719715), (3030, 623753), (3939, 479810), (6565, 287886), (7878, 239905), (13130, 143943), (19695, 95962), (39390, 47981)]