153722440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{251}}^2$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 352951740

約数和(自身を除く): 199229300

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 251, 305, 488, 502, 610, 1004, 1220, 1255, 2008, 2440, 2510, 5020, 10040, 15311, 30622, 61244, 63001, 76555, 122488, 126002, 153110, 252004, 306220, 315005, 504008, 612440, 630010, 1260020, 2520040, 3843061, 7686122, 15372244, 19215305, 30744488, 38430610, 76861220, 153722440]

約数ペア:

[(1, 153722440), (2, 76861220), (4, 38430610), (5, 30744488), (8, 19215305), (10, 15372244), (20, 7686122), (40, 3843061), (61, 2520040), (122, 1260020), (244, 630010), (251, 612440), (305, 504008), (488, 315005), (502, 306220), (610, 252004), (1004, 153110), (1220, 126002), (1255, 122488), (2008, 76555), (2440, 63001), (2510, 61244), (5020, 30622), (10040, 15311)]