49787980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 123298560

約数和(自身を除く): 73510580

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 43, 44, 55, 76, 86, 95, 110, 172, 190, 209, 215, 220, 277, 380, 418, 430, 473, 554, 817, 836, 860, 946, 1045, 1108, 1385, 1634, 1892, 2090, 2365, 2770, 3047, 3268, 4085, 4180, 4730, 5263, 5540, 6094, 8170, 8987, 9460, 10526, 11911, 12188, 15235, 16340, 17974, 21052, 23822, 26315, 30470, 35948, 44935, 47644, 52630, 57893, 59555, 60940, 89870, 105260, 115786, 119110, 131021, 179740, 226309, 231572, 238220, 262042, 289465, 452618, 524084, 578930, 655105, 905236, 1131545, 1157860, 1310210, 2263090, 2489399, 2620420, 4526180, 4978798, 9957596, 12446995, 24893990, 49787980]

約数ペア:

[(1, 49787980), (2, 24893990), (4, 12446995), (5, 9957596), (10, 4978798), (11, 4526180), (19, 2620420), (20, 2489399), (22, 2263090), (38, 1310210), (43, 1157860), (44, 1131545), (55, 905236), (76, 655105), (86, 578930), (95, 524084), (110, 452618), (172, 289465), (190, 262042), (209, 238220), (215, 231572), (220, 226309), (277, 179740), (380, 131021), (418, 119110), (430, 115786), (473, 105260), (554, 89870), (817, 60940), (836, 59555), (860, 57893), (946, 52630), (1045, 47644), (1108, 44935), (1385, 35948), (1634, 30470), (1892, 26315), (2090, 23822), (2365, 21052), (2770, 17974), (3047, 16340), (3268, 15235), (4085, 12188), (4180, 11911), (4730, 10526), (5263, 9460), (5540, 8987), (6094, 8170)]