2218219280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{9857}}^1$

素因数の和:9996

約数の個数: 80

約数和(自身を含む): 5390748720

約数和(自身を除く): 3172529440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 97, 116, 145, 194, 232, 290, 388, 464, 485, 580, 776, 970, 1160, 1552, 1940, 2320, 2813, 3880, 5626, 7760, 9857, 11252, 14065, 19714, 22504, 28130, 39428, 45008, 49285, 56260, 78856, 98570, 112520, 157712, 197140, 225040, 285853, 394280, 571706, 788560, 956129, 1143412, 1429265, 1912258, 2286824, 2858530, 3824516, 4573648, 4780645, 5717060, 7649032, 9561290, 11434120, 15298064, 19122580, 22868240, 27727741, 38245160, 55455482, 76490320, 110910964, 138638705, 221821928, 277277410, 443643856, 554554820, 1109109640, 2218219280]

約数ペア:

[(1, 2218219280), (2, 1109109640), (4, 554554820), (5, 443643856), (8, 277277410), (10, 221821928), (16, 138638705), (20, 110910964), (29, 76490320), (40, 55455482), (58, 38245160), (80, 27727741), (97, 22868240), (116, 19122580), (145, 15298064), (194, 11434120), (232, 9561290), (290, 7649032), (388, 5717060), (464, 4780645), (485, 4573648), (580, 3824516), (776, 2858530), (970, 2286824), (1160, 1912258), (1552, 1429265), (1940, 1143412), (2320, 956129), (2813, 788560), (3880, 571706), (5626, 394280), (7760, 285853), (9857, 225040), (11252, 197140), (14065, 157712), (19714, 112520), (22504, 98570), (28130, 78856), (39428, 56260), (45008, 49285)]