1519494920

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{283}}^1\times {\mathrm{499}}^1$

素因数の和:1062

約数の個数: 64

約数和(自身を含む): 3450600000

約数和(自身を除く): 1931105080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 283, 499, 538, 566, 998, 1076, 1132, 1345, 1415, 1996, 2152, 2264, 2495, 2690, 2830, 3992, 4990, 5380, 5660, 9980, 10760, 11320, 19960, 76127, 134231, 141217, 152254, 268462, 282434, 304508, 380635, 536924, 564868, 609016, 671155, 706085, 761270, 1073848, 1129736, 1342310, 1412170, 1522540, 2684620, 2824340, 3045080, 5369240, 5648680, 37987373, 75974746, 151949492, 189936865, 303898984, 379873730, 759747460, 1519494920]

約数ペア:

[(1, 1519494920), (2, 759747460), (4, 379873730), (5, 303898984), (8, 189936865), (10, 151949492), (20, 75974746), (40, 37987373), (269, 5648680), (283, 5369240), (499, 3045080), (538, 2824340), (566, 2684620), (998, 1522540), (1076, 1412170), (1132, 1342310), (1345, 1129736), (1415, 1073848), (1996, 761270), (2152, 706085), (2264, 671155), (2495, 609016), (2690, 564868), (2830, 536924), (3992, 380635), (4990, 304508), (5380, 282434), (5660, 268462), (9980, 152254), (10760, 141217), (11320, 134231), (19960, 76127)]