127938440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{456923}}^1$

素因数の和:456941

約数の個数: 32

約数和(自身を含む): 328985280

約数和(自身を除く): 201046840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 456923, 913846, 1827692, 2284615, 3198461, 3655384, 4569230, 6396922, 9138460, 12793844, 15992305, 18276920, 25587688, 31984610, 63969220, 127938440]

約数ペア:

[(1, 127938440), (2, 63969220), (4, 31984610), (5, 25587688), (7, 18276920), (8, 15992305), (10, 12793844), (14, 9138460), (20, 6396922), (28, 4569230), (35, 3655384), (40, 3198461), (56, 2284615), (70, 1827692), (140, 913846), (280, 456923)]