2107831240

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{379}}^1\times {\mathrm{853}}^1$

素因数の和:1406

約数の個数: 64

約数和(自身を含む): 4789915200

約数和(自身を除く): 2682083960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 379, 652, 758, 815, 853, 1304, 1516, 1630, 1706, 1895, 3032, 3260, 3412, 3790, 4265, 6520, 6824, 7580, 8530, 15160, 17060, 34120, 61777, 123554, 139039, 247108, 278078, 308885, 323287, 494216, 556156, 617770, 646574, 695195, 1112312, 1235540, 1293148, 1390390, 1616435, 2471080, 2586296, 2780780, 3232870, 5561560, 6465740, 12931480, 52695781, 105391562, 210783124, 263478905, 421566248, 526957810, 1053915620, 2107831240]

約数ペア:

[(1, 2107831240), (2, 1053915620), (4, 526957810), (5, 421566248), (8, 263478905), (10, 210783124), (20, 105391562), (40, 52695781), (163, 12931480), (326, 6465740), (379, 5561560), (652, 3232870), (758, 2780780), (815, 2586296), (853, 2471080), (1304, 1616435), (1516, 1390390), (1630, 1293148), (1706, 1235540), (1895, 1112312), (3032, 695195), (3260, 646574), (3412, 617770), (3790, 556156), (4265, 494216), (6520, 323287), (6824, 308885), (7580, 278078), (8530, 247108), (15160, 139039), (17060, 123554), (34120, 61777)]