155523620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{5639}}^1$

素因数の和:5852

約数の個数: 48

約数和(自身を含む): 375217920

約数和(自身を除く): 219694300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3940, 5516, 5639, 6895, 11278, 13790, 22556, 27580, 28195, 39473, 56390, 78946, 112780, 157892, 197365, 394730, 789460, 1110883, 2221766, 4443532, 5554415, 7776181, 11108830, 15552362, 22217660, 31104724, 38880905, 77761810, 155523620]

約数ペア:

[(1, 155523620), (2, 77761810), (4, 38880905), (5, 31104724), (7, 22217660), (10, 15552362), (14, 11108830), (20, 7776181), (28, 5554415), (35, 4443532), (70, 2221766), (140, 1110883), (197, 789460), (394, 394730), (788, 197365), (985, 157892), (1379, 112780), (1970, 78946), (2758, 56390), (3940, 39473), (5516, 28195), (5639, 27580), (6895, 22556), (11278, 13790)]