83988550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 165614400

約数和(自身を除く): 81625850

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 211, 419, 422, 475, 838, 950, 1055, 2095, 2110, 4009, 4190, 5275, 7961, 8018, 10475, 10550, 15922, 20045, 20950, 39805, 40090, 79610, 88409, 100225, 176818, 199025, 200450, 398050, 442045, 884090, 1679771, 2210225, 3359542, 4420450, 8398855, 16797710, 41994275, 83988550]

約数ペア:

[(1, 83988550), (2, 41994275), (5, 16797710), (10, 8398855), (19, 4420450), (25, 3359542), (38, 2210225), (50, 1679771), (95, 884090), (190, 442045), (211, 398050), (419, 200450), (422, 199025), (475, 176818), (838, 100225), (950, 88409), (1055, 79610), (2095, 40090), (2110, 39805), (4009, 20950), (4190, 20045), (5275, 15922), (7961, 10550), (8018, 10475)]