1279780060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{289543}}^1$

素因数の和:289582

約数の個数: 48

約数和(自身を含む): 3064533696

約数和(自身を除く): 1784753636

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 289543, 579086, 1158172, 1447715, 2895430, 3764059, 4922231, 5790860, 7528118, 9844462, 15056236, 18820295, 19688924, 24611155, 37640590, 49222310, 63989003, 75281180, 98444620, 127978006, 255956012, 319945015, 639890030, 1279780060]

約数ペア:

[(1, 1279780060), (2, 639890030), (4, 319945015), (5, 255956012), (10, 127978006), (13, 98444620), (17, 75281180), (20, 63989003), (26, 49222310), (34, 37640590), (52, 24611155), (65, 19688924), (68, 18820295), (85, 15056236), (130, 9844462), (170, 7528118), (221, 5790860), (260, 4922231), (340, 3764059), (442, 2895430), (884, 1447715), (1105, 1158172), (2210, 579086), (4420, 289543)]