260695660

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1\times {\mathrm{757}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 558530784

約数和(自身を除く): 297835124

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 257, 268, 335, 514, 670, 757, 1028, 1285, 1340, 1514, 2570, 3028, 3785, 5140, 7570, 15140, 17219, 34438, 50719, 68876, 86095, 101438, 172190, 194549, 202876, 253595, 344380, 389098, 507190, 778196, 972745, 1014380, 1945490, 3890980, 13034783, 26069566, 52139132, 65173915, 130347830, 260695660]

約数ペア:

[(1, 260695660), (2, 130347830), (4, 65173915), (5, 52139132), (10, 26069566), (20, 13034783), (67, 3890980), (134, 1945490), (257, 1014380), (268, 972745), (335, 778196), (514, 507190), (670, 389098), (757, 344380), (1028, 253595), (1285, 202876), (1340, 194549), (1514, 172190), (2570, 101438), (3028, 86095), (3785, 68876), (5140, 50719), (7570, 34438), (15140, 17219)]