154429780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{4007}}^1$

素因数の和:4104

約数の個数: 48

約数和(自身を含む): 339365376

約数和(自身を除く): 184935596

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 820, 940, 1927, 3854, 4007, 7708, 8014, 9635, 16028, 19270, 20035, 38540, 40070, 80140, 164287, 188329, 328574, 376658, 657148, 753316, 821435, 941645, 1642870, 1883290, 3285740, 3766580, 7721489, 15442978, 30885956, 38607445, 77214890, 154429780]

約数ペア:

[(1, 154429780), (2, 77214890), (4, 38607445), (5, 30885956), (10, 15442978), (20, 7721489), (41, 3766580), (47, 3285740), (82, 1883290), (94, 1642870), (164, 941645), (188, 821435), (205, 753316), (235, 657148), (410, 376658), (470, 328574), (820, 188329), (940, 164287), (1927, 80140), (3854, 40070), (4007, 38540), (7708, 20035), (8014, 19270), (9635, 16028)]