219524240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^3\times {\mathrm{1249}}^1$

素因数の和:1301

約数の個数: 80

約数和(自身を含む): 553350000

約数和(自身を除く): 333825760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1249, 1352, 1690, 2197, 2498, 2704, 3380, 4394, 4996, 6245, 6760, 8788, 9992, 10985, 12490, 13520, 16237, 17576, 19984, 21970, 24980, 32474, 35152, 43940, 49960, 64948, 81185, 87880, 99920, 129896, 162370, 175760, 211081, 259792, 324740, 422162, 649480, 844324, 1055405, 1298960, 1688648, 2110810, 2744053, 3377296, 4221620, 5488106, 8443240, 10976212, 13720265, 16886480, 21952424, 27440530, 43904848, 54881060, 109762120, 219524240]

約数ペア:

[(1, 219524240), (2, 109762120), (4, 54881060), (5, 43904848), (8, 27440530), (10, 21952424), (13, 16886480), (16, 13720265), (20, 10976212), (26, 8443240), (40, 5488106), (52, 4221620), (65, 3377296), (80, 2744053), (104, 2110810), (130, 1688648), (169, 1298960), (208, 1055405), (260, 844324), (338, 649480), (520, 422162), (676, 324740), (845, 259792), (1040, 211081), (1249, 175760), (1352, 162370), (1690, 129896), (2197, 99920), (2498, 87880), (2704, 81185), (3380, 64948), (4394, 49960), (4996, 43940), (6245, 35152), (6760, 32474), (8788, 24980), (9992, 21970), (10985, 19984), (12490, 17576), (13520, 16237)]