70978220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{479}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 154828800

約数和(自身を除く): 83850580

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 239, 310, 478, 479, 620, 956, 958, 1195, 1916, 2390, 2395, 4780, 4790, 7409, 9580, 14818, 14849, 29636, 29698, 37045, 59396, 74090, 74245, 114481, 148180, 148490, 228962, 296980, 457924, 572405, 1144810, 2289620, 3548911, 7097822, 14195644, 17744555, 35489110, 70978220]

約数ペア:

[(1, 70978220), (2, 35489110), (4, 17744555), (5, 14195644), (10, 7097822), (20, 3548911), (31, 2289620), (62, 1144810), (124, 572405), (155, 457924), (239, 296980), (310, 228962), (478, 148490), (479, 148180), (620, 114481), (956, 74245), (958, 74090), (1195, 59396), (1916, 37045), (2390, 29698), (2395, 29636), (4780, 14849), (4790, 14818), (7409, 9580)]