291838960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16811}}^1$

素因数の和:16862

約数の個数: 80

約数和(自身を含む): 800520192

約数和(自身を除く): 508681232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 16811, 17360, 33622, 67244, 84055, 117677, 134488, 168110, 235354, 268976, 336220, 470708, 521141, 588385, 672440, 941416, 1042282, 1176770, 1344880, 1882832, 2084564, 2353540, 2605705, 3647987, 4169128, 4707080, 5211410, 7295974, 8338256, 9414160, 10422820, 14591948, 18239935, 20845640, 29183896, 36479870, 41691280, 58367792, 72959740, 145919480, 291838960]

約数ペア:

[(1, 291838960), (2, 145919480), (4, 72959740), (5, 58367792), (7, 41691280), (8, 36479870), (10, 29183896), (14, 20845640), (16, 18239935), (20, 14591948), (28, 10422820), (31, 9414160), (35, 8338256), (40, 7295974), (56, 5211410), (62, 4707080), (70, 4169128), (80, 3647987), (112, 2605705), (124, 2353540), (140, 2084564), (155, 1882832), (217, 1344880), (248, 1176770), (280, 1042282), (310, 941416), (434, 672440), (496, 588385), (560, 521141), (620, 470708), (868, 336220), (1085, 268976), (1240, 235354), (1736, 168110), (2170, 134488), (2480, 117677), (3472, 84055), (4340, 67244), (8680, 33622), (16811, 17360)]