211888962020

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{419}}^1\times {\mathrm{80783}}^1$

素因数の和:81524

約数の個数: 48

約数和(自身を含む): 447459344640

約数和(自身を除く): 235570382620

約数列:

[1, 2, 4, 5, 10, 20, 313, 419, 626, 838, 1252, 1565, 1676, 2095, 3130, 4190, 6260, 8380, 80783, 131147, 161566, 262294, 323132, 403915, 524588, 655735, 807830, 1311470, 1615660, 2622940, 25285079, 33848077, 50570158, 67696154, 101140316, 126425395, 135392308, 169240385, 252850790, 338480770, 505701580, 676961540, 10594448101, 21188896202, 42377792404, 52972240505, 105944481010, 211888962020]

約数ペア:

[(1, 211888962020), (2, 105944481010), (4, 52972240505), (5, 42377792404), (10, 21188896202), (20, 10594448101), (313, 676961540), (419, 505701580), (626, 338480770), (838, 252850790), (1252, 169240385), (1565, 135392308), (1676, 126425395), (2095, 101140316), (3130, 67696154), (4190, 50570158), (6260, 33848077), (8380, 25285079), (80783, 2622940), (131147, 1615660), (161566, 1311470), (262294, 807830), (323132, 655735), (403915, 524588)]