31818220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:523

約数の個数: 96

約数和(自身を含む): 83825280

約数和(自身を除く): 52007060

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 29, 34, 35, 58, 68, 70, 85, 116, 119, 140, 145, 170, 203, 238, 290, 340, 406, 461, 476, 493, 580, 595, 812, 922, 986, 1015, 1190, 1844, 1972, 2030, 2305, 2380, 2465, 3227, 3451, 4060, 4610, 4930, 6454, 6902, 7837, 9220, 9860, 12908, 13369, 13804, 15674, 16135, 17255, 26738, 31348, 32270, 34510, 39185, 53476, 54859, 64540, 66845, 69020, 78370, 93583, 109718, 133690, 156740, 187166, 219436, 227273, 267380, 274295, 374332, 454546, 467915, 548590, 909092, 935830, 1097180, 1136365, 1590911, 1871660, 2272730, 3181822, 4545460, 6363644, 7954555, 15909110, 31818220]

約数ペア:

[(1, 31818220), (2, 15909110), (4, 7954555), (5, 6363644), (7, 4545460), (10, 3181822), (14, 2272730), (17, 1871660), (20, 1590911), (28, 1136365), (29, 1097180), (34, 935830), (35, 909092), (58, 548590), (68, 467915), (70, 454546), (85, 374332), (116, 274295), (119, 267380), (140, 227273), (145, 219436), (170, 187166), (203, 156740), (238, 133690), (290, 109718), (340, 93583), (406, 78370), (461, 69020), (476, 66845), (493, 64540), (580, 54859), (595, 53476), (812, 39185), (922, 34510), (986, 32270), (1015, 31348), (1190, 26738), (1844, 17255), (1972, 16135), (2030, 15674), (2305, 13804), (2380, 13369), (2465, 12908), (3227, 9860), (3451, 9220), (4060, 7837), (4610, 6902), (4930, 6454)]