135140020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 289170000

約数和(自身を除く): 154029980

約数列:

[1, 2, 4, 5, 10, 20, 101, 149, 202, 298, 404, 449, 505, 596, 745, 898, 1010, 1490, 1796, 2020, 2245, 2980, 4490, 8980, 15049, 30098, 45349, 60196, 66901, 75245, 90698, 133802, 150490, 181396, 226745, 267604, 300980, 334505, 453490, 669010, 906980, 1338020, 6757001, 13514002, 27028004, 33785005, 67570010, 135140020]

約数ペア:

[(1, 135140020), (2, 67570010), (4, 33785005), (5, 27028004), (10, 13514002), (20, 6757001), (101, 1338020), (149, 906980), (202, 669010), (298, 453490), (404, 334505), (449, 300980), (505, 267604), (596, 226745), (745, 181396), (898, 150490), (1010, 133802), (1490, 90698), (1796, 75245), (2020, 66901), (2245, 60196), (2980, 45349), (4490, 30098), (8980, 15049)]