138334420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{42961}}^1$

素因数の和:43000

約数の個数: 48

約数和(自身を含む): 346445568

約数和(自身を除く): 208111148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 42961, 85922, 171844, 214805, 300727, 429610, 601454, 859220, 988103, 1202908, 1503635, 1976206, 3007270, 3952412, 4940515, 6014540, 6916721, 9881030, 13833442, 19762060, 27666884, 34583605, 69167210, 138334420]

約数ペア:

[(1, 138334420), (2, 69167210), (4, 34583605), (5, 27666884), (7, 19762060), (10, 13833442), (14, 9881030), (20, 6916721), (23, 6014540), (28, 4940515), (35, 3952412), (46, 3007270), (70, 1976206), (92, 1503635), (115, 1202908), (140, 988103), (161, 859220), (230, 601454), (322, 429610), (460, 300727), (644, 214805), (805, 171844), (1610, 85922), (3220, 42961)]