17840050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 35488800

約数和(自身を除く): 17648750

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 89, 95, 178, 190, 211, 422, 445, 475, 890, 950, 1055, 1691, 2110, 2225, 3382, 4009, 4450, 5275, 8018, 8455, 10550, 16910, 18779, 20045, 37558, 40090, 42275, 84550, 93895, 100225, 187790, 200450, 356801, 469475, 713602, 938950, 1784005, 3568010, 8920025, 17840050]

約数ペア:

[(1, 17840050), (2, 8920025), (5, 3568010), (10, 1784005), (19, 938950), (25, 713602), (38, 469475), (50, 356801), (89, 200450), (95, 187790), (178, 100225), (190, 93895), (211, 84550), (422, 42275), (445, 40090), (475, 37558), (890, 20045), (950, 18779), (1055, 16910), (1691, 10550), (2110, 8455), (2225, 8018), (3382, 5275), (4009, 4450)]