139967440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 336853440

約数和(自身を除く): 196886000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 139, 164, 205, 278, 307, 328, 410, 556, 614, 656, 695, 820, 1112, 1228, 1390, 1535, 1640, 2224, 2456, 2780, 3070, 3280, 4912, 5560, 5699, 6140, 11120, 11398, 12280, 12587, 22796, 24560, 25174, 28495, 42673, 45592, 50348, 56990, 62935, 85346, 91184, 100696, 113980, 125870, 170692, 201392, 213365, 227960, 251740, 341384, 426730, 455920, 503480, 682768, 853460, 1006960, 1706920, 1749593, 3413840, 3499186, 6998372, 8747965, 13996744, 17495930, 27993488, 34991860, 69983720, 139967440]

約数ペア:

[(1, 139967440), (2, 69983720), (4, 34991860), (5, 27993488), (8, 17495930), (10, 13996744), (16, 8747965), (20, 6998372), (40, 3499186), (41, 3413840), (80, 1749593), (82, 1706920), (139, 1006960), (164, 853460), (205, 682768), (278, 503480), (307, 455920), (328, 426730), (410, 341384), (556, 251740), (614, 227960), (656, 213365), (695, 201392), (820, 170692), (1112, 125870), (1228, 113980), (1390, 100696), (1535, 91184), (1640, 85346), (2224, 62935), (2456, 56990), (2780, 50348), (3070, 45592), (3280, 42673), (4912, 28495), (5560, 25174), (5699, 24560), (6140, 22796), (11120, 12587), (11398, 12280)]