198828110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{479}}^1$

素因数の和:633

約数の個数: 64

約数和(自身を含む): 402554880

約数和(自身を除く): 203726770

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 103, 130, 155, 206, 310, 403, 479, 515, 806, 958, 1030, 1339, 2015, 2395, 2678, 3193, 4030, 4790, 6227, 6386, 6695, 12454, 13390, 14849, 15965, 29698, 31135, 31930, 41509, 49337, 62270, 74245, 83018, 98674, 148490, 193037, 207545, 246685, 386074, 415090, 493370, 641381, 965185, 1282762, 1529447, 1930370, 3058894, 3206905, 6413810, 7647235, 15294470, 19882811, 39765622, 99414055, 198828110]

約数ペア:

[(1, 198828110), (2, 99414055), (5, 39765622), (10, 19882811), (13, 15294470), (26, 7647235), (31, 6413810), (62, 3206905), (65, 3058894), (103, 1930370), (130, 1529447), (155, 1282762), (206, 965185), (310, 641381), (403, 493370), (479, 415090), (515, 386074), (806, 246685), (958, 207545), (1030, 193037), (1339, 148490), (2015, 98674), (2395, 83018), (2678, 74245), (3193, 62270), (4030, 49337), (4790, 41509), (6227, 31930), (6386, 31135), (6695, 29698), (12454, 15965), (13390, 14849)]