131888500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{13883}}^1$

素因数の和:13921

約数の個数: 48

約数和(自身を含む): 303226560

約数和(自身を除く): 171338060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2375, 4750, 9500, 13883, 27766, 55532, 69415, 138830, 263777, 277660, 347075, 527554, 694150, 1055108, 1318885, 1388300, 1735375, 2637770, 3470750, 5275540, 6594425, 6941500, 13188850, 26377700, 32972125, 65944250, 131888500]

約数ペア:

[(1, 131888500), (2, 65944250), (4, 32972125), (5, 26377700), (10, 13188850), (19, 6941500), (20, 6594425), (25, 5275540), (38, 3470750), (50, 2637770), (76, 1735375), (95, 1388300), (100, 1318885), (125, 1055108), (190, 694150), (250, 527554), (380, 347075), (475, 277660), (500, 263777), (950, 138830), (1900, 69415), (2375, 55532), (4750, 27766), (9500, 13883)]