31248380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1259}}^1$

素因数の和:1358

約数の個数: 48

約数和(自身を含む): 70489440

約数和(自身を除く): 39241060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 292, 340, 365, 730, 1241, 1259, 1460, 2482, 2518, 4964, 5036, 6205, 6295, 12410, 12590, 21403, 24820, 25180, 42806, 85612, 91907, 107015, 183814, 214030, 367628, 428060, 459535, 919070, 1562419, 1838140, 3124838, 6249676, 7812095, 15624190, 31248380]

約数ペア:

[(1, 31248380), (2, 15624190), (4, 7812095), (5, 6249676), (10, 3124838), (17, 1838140), (20, 1562419), (34, 919070), (68, 459535), (73, 428060), (85, 367628), (146, 214030), (170, 183814), (292, 107015), (340, 91907), (365, 85612), (730, 42806), (1241, 25180), (1259, 24820), (1460, 21403), (2482, 12590), (2518, 12410), (4964, 6295), (5036, 6205)]