203823740

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1\times {\mathrm{233}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 434004480

約数和(自身を除く): 230180740

約数列:

[1, 2, 4, 5, 10, 20, 191, 229, 233, 382, 458, 466, 764, 916, 932, 955, 1145, 1165, 1910, 2290, 2330, 3820, 4580, 4660, 43739, 44503, 53357, 87478, 89006, 106714, 174956, 178012, 213428, 218695, 222515, 266785, 437390, 445030, 533570, 874780, 890060, 1067140, 10191187, 20382374, 40764748, 50955935, 101911870, 203823740]

約数ペア:

[(1, 203823740), (2, 101911870), (4, 50955935), (5, 40764748), (10, 20382374), (20, 10191187), (191, 1067140), (229, 890060), (233, 874780), (382, 533570), (458, 445030), (466, 437390), (764, 266785), (916, 222515), (932, 218695), (955, 213428), (1145, 178012), (1165, 174956), (1910, 106714), (2290, 89006), (2330, 87478), (3820, 53357), (4580, 44503), (4660, 43739)]