2904874280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{49639}}^1$

素因数の和:49687

約数の個数: 128

約数和(自身を含む): 8577792000

約数和(自身を除く): 5672917720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 133, 140, 152, 154, 190, 209, 220, 266, 280, 308, 380, 385, 418, 440, 532, 616, 665, 760, 770, 836, 1045, 1064, 1330, 1463, 1540, 1672, 2090, 2660, 2926, 3080, 4180, 5320, 5852, 7315, 8360, 11704, 14630, 29260, 49639, 58520, 99278, 198556, 248195, 347473, 397112, 496390, 546029, 694946, 943141, 992780, 1092058, 1389892, 1737365, 1886282, 1985560, 2184116, 2730145, 2779784, 3474730, 3772564, 3822203, 4368232, 4715705, 5460290, 6601987, 6949460, 7545128, 7644406, 9431410, 10374551, 10920580, 13203974, 13898920, 15288812, 18862820, 19111015, 20749102, 21841160, 26407948, 30577624, 33009935, 37725640, 38222030, 41498204, 51872755, 52815896, 66019870, 72621857, 76444060, 82996408, 103745510, 132039740, 145243714, 152888120, 207491020, 264079480, 290487428, 363109285, 414982040, 580974856, 726218570, 1452437140, 2904874280]

約数ペア:

[(1, 2904874280), (2, 1452437140), (4, 726218570), (5, 580974856), (7, 414982040), (8, 363109285), (10, 290487428), (11, 264079480), (14, 207491020), (19, 152888120), (20, 145243714), (22, 132039740), (28, 103745510), (35, 82996408), (38, 76444060), (40, 72621857), (44, 66019870), (55, 52815896), (56, 51872755), (70, 41498204), (76, 38222030), (77, 37725640), (88, 33009935), (95, 30577624), (110, 26407948), (133, 21841160), (140, 20749102), (152, 19111015), (154, 18862820), (190, 15288812), (209, 13898920), (220, 13203974), (266, 10920580), (280, 10374551), (308, 9431410), (380, 7644406), (385, 7545128), (418, 6949460), (440, 6601987), (532, 5460290), (616, 4715705), (665, 4368232), (760, 3822203), (770, 3772564), (836, 3474730), (1045, 2779784), (1064, 2730145), (1330, 2184116), (1463, 1985560), (1540, 1886282), (1672, 1737365), (2090, 1389892), (2660, 1092058), (2926, 992780), (3080, 943141), (4180, 694946), (5320, 546029), (5852, 496390), (7315, 397112), (8360, 347473), (11704, 248195), (14630, 198556), (29260, 99278), (49639, 58520)]