747742960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{18959}}^1$

素因数の和:19018

約数の個数: 80

約数和(自身を含む): 1904342400

約数和(自身を除く): 1156599440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 493, 580, 680, 986, 1160, 1360, 1972, 2320, 2465, 3944, 4930, 7888, 9860, 18959, 19720, 37918, 39440, 75836, 94795, 151672, 189590, 303344, 322303, 379180, 549811, 644606, 758360, 1099622, 1289212, 1516720, 1611515, 2199244, 2578424, 2749055, 3223030, 4398488, 5156848, 5498110, 6446060, 8796976, 9346787, 10996220, 12892120, 18693574, 21992440, 25784240, 37387148, 43984880, 46733935, 74774296, 93467870, 149548592, 186935740, 373871480, 747742960]

約数ペア:

[(1, 747742960), (2, 373871480), (4, 186935740), (5, 149548592), (8, 93467870), (10, 74774296), (16, 46733935), (17, 43984880), (20, 37387148), (29, 25784240), (34, 21992440), (40, 18693574), (58, 12892120), (68, 10996220), (80, 9346787), (85, 8796976), (116, 6446060), (136, 5498110), (145, 5156848), (170, 4398488), (232, 3223030), (272, 2749055), (290, 2578424), (340, 2199244), (464, 1611515), (493, 1516720), (580, 1289212), (680, 1099622), (986, 758360), (1160, 644606), (1360, 549811), (1972, 379180), (2320, 322303), (2465, 303344), (3944, 189590), (4930, 151672), (7888, 94795), (9860, 75836), (18959, 39440), (19720, 37918)]