123917380

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{547}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 267353856

約数和(自身を除く): 143436476

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 241, 470, 482, 547, 940, 964, 1094, 1205, 2188, 2410, 2735, 4820, 5470, 10940, 11327, 22654, 25709, 45308, 51418, 56635, 102836, 113270, 128545, 131827, 226540, 257090, 263654, 514180, 527308, 659135, 1318270, 2636540, 6195869, 12391738, 24783476, 30979345, 61958690, 123917380]

約数ペア:

[(1, 123917380), (2, 61958690), (4, 30979345), (5, 24783476), (10, 12391738), (20, 6195869), (47, 2636540), (94, 1318270), (188, 659135), (235, 527308), (241, 514180), (470, 263654), (482, 257090), (547, 226540), (940, 131827), (964, 128545), (1094, 113270), (1205, 102836), (2188, 56635), (2410, 51418), (2735, 45308), (4820, 25709), (5470, 22654), (10940, 11327)]