9090920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 22453200

約数和(自身を除く): 13362280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 461, 493, 580, 680, 922, 986, 1160, 1844, 1972, 2305, 2465, 3688, 3944, 4610, 4930, 7837, 9220, 9860, 13369, 15674, 18440, 19720, 26738, 31348, 39185, 53476, 62696, 66845, 78370, 106952, 133690, 156740, 227273, 267380, 313480, 454546, 534760, 909092, 1136365, 1818184, 2272730, 4545460, 9090920]

約数ペア:

[(1, 9090920), (2, 4545460), (4, 2272730), (5, 1818184), (8, 1136365), (10, 909092), (17, 534760), (20, 454546), (29, 313480), (34, 267380), (40, 227273), (58, 156740), (68, 133690), (85, 106952), (116, 78370), (136, 66845), (145, 62696), (170, 53476), (232, 39185), (290, 31348), (340, 26738), (461, 19720), (493, 18440), (580, 15674), (680, 13369), (922, 9860), (986, 9220), (1160, 7837), (1844, 4930), (1972, 4610), (2305, 3944), (2465, 3688)]