669510940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1471}}^1\times {\mathrm{3251}}^1$

素因数の和:4738

約数の個数: 48

約数和(自身を含む): 1608413184

約数和(自身を除く): 938902244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1471, 2942, 3251, 5884, 6502, 7355, 10297, 13004, 14710, 16255, 20594, 22757, 29420, 32510, 41188, 45514, 51485, 65020, 91028, 102970, 113785, 205940, 227570, 455140, 4782221, 9564442, 19128884, 23911105, 33475547, 47822210, 66951094, 95644420, 133902188, 167377735, 334755470, 669510940]

約数ペア:

[(1, 669510940), (2, 334755470), (4, 167377735), (5, 133902188), (7, 95644420), (10, 66951094), (14, 47822210), (20, 33475547), (28, 23911105), (35, 19128884), (70, 9564442), (140, 4782221), (1471, 455140), (2942, 227570), (3251, 205940), (5884, 113785), (6502, 102970), (7355, 91028), (10297, 65020), (13004, 51485), (14710, 45514), (16255, 41188), (20594, 32510), (22757, 29420)]