31231550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:246

約数の個数: 96

約数和(自身を含む): 73120320

約数和(自身を除く): 41888770

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 29, 34, 35, 50, 58, 70, 85, 119, 145, 170, 175, 181, 203, 238, 290, 350, 362, 406, 425, 493, 595, 725, 850, 905, 986, 1015, 1190, 1267, 1450, 1810, 2030, 2465, 2534, 2975, 3077, 3451, 4525, 4930, 5075, 5249, 5950, 6154, 6335, 6902, 9050, 10150, 10498, 12325, 12670, 15385, 17255, 21539, 24650, 26245, 30770, 31675, 34510, 36743, 43078, 52490, 63350, 73486, 76925, 86275, 89233, 107695, 131225, 153850, 172550, 178466, 183715, 215390, 262450, 367430, 446165, 538475, 624631, 892330, 918575, 1076950, 1249262, 1837150, 2230825, 3123155, 4461650, 6246310, 15615775, 31231550]

約数ペア:

[(1, 31231550), (2, 15615775), (5, 6246310), (7, 4461650), (10, 3123155), (14, 2230825), (17, 1837150), (25, 1249262), (29, 1076950), (34, 918575), (35, 892330), (50, 624631), (58, 538475), (70, 446165), (85, 367430), (119, 262450), (145, 215390), (170, 183715), (175, 178466), (181, 172550), (203, 153850), (238, 131225), (290, 107695), (350, 89233), (362, 86275), (406, 76925), (425, 73486), (493, 63350), (595, 52490), (725, 43078), (850, 36743), (905, 34510), (986, 31675), (1015, 30770), (1190, 26245), (1267, 24650), (1450, 21539), (1810, 17255), (2030, 15385), (2465, 12670), (2534, 12325), (2975, 10498), (3077, 10150), (3451, 9050), (4525, 6902), (4930, 6335), (5075, 6154), (5249, 5950)]