398050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:450

約数の個数: 24

約数和(自身を含む): 781200

約数和(自身を除く): 383150

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 419, 475, 838, 950, 2095, 4190, 7961, 10475, 15922, 20950, 39805, 79610, 199025, 398050]

約数ペア:

[(1, 398050), (2, 199025), (5, 79610), (10, 39805), (19, 20950), (25, 15922), (38, 10475), (50, 7961), (95, 4190), (190, 2095), (419, 950), (475, 838)]