2019941775

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{5309}}^1$

素因数の和:5433

約数の個数: 72

約数和(自身を含む): 3851874000

約数和(自身を除く): 1831932225

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 89, 95, 171, 225, 267, 285, 445, 475, 801, 855, 1335, 1425, 1691, 2225, 4005, 4275, 5073, 5309, 6675, 8455, 15219, 15927, 20025, 25365, 26545, 42275, 47781, 76095, 79635, 100871, 126825, 132725, 238905, 302613, 380475, 398175, 472501, 504355, 907839, 1194525, 1417503, 1513065, 2362505, 2521775, 4252509, 4539195, 7087515, 7565325, 8977519, 11812525, 21262545, 22695975, 26932557, 35437575, 44887595, 80797671, 106312725, 134662785, 224437975, 403988355, 673313925, 2019941775]

約数ペア:

[(1, 2019941775), (3, 673313925), (5, 403988355), (9, 224437975), (15, 134662785), (19, 106312725), (25, 80797671), (45, 44887595), (57, 35437575), (75, 26932557), (89, 22695975), (95, 21262545), (171, 11812525), (225, 8977519), (267, 7565325), (285, 7087515), (445, 4539195), (475, 4252509), (801, 2521775), (855, 2362505), (1335, 1513065), (1425, 1417503), (1691, 1194525), (2225, 907839), (4005, 504355), (4275, 472501), (5073, 398175), (5309, 380475), (6675, 302613), (8455, 238905), (15219, 132725), (15927, 126825), (20025, 100871), (25365, 79635), (26545, 76095), (42275, 47781)]