219036760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{133559}}^1$

素因数の和:133611

約数の個数: 32

約数和(自身を含む): 504856800

約数和(自身を除く): 285820040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 133559, 267118, 534236, 667795, 1068472, 1335590, 2671180, 5342360, 5475919, 10951838, 21903676, 27379595, 43807352, 54759190, 109518380, 219036760]

約数ペア:

[(1, 219036760), (2, 109518380), (4, 54759190), (5, 43807352), (8, 27379595), (10, 21903676), (20, 10951838), (40, 5475919), (41, 5342360), (82, 2671180), (164, 1335590), (205, 1068472), (328, 667795), (410, 534236), (820, 267118), (1640, 133559)]