291491340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4993}}^1$

素因数の和:5151

約数の個数: 96

約数和(自身を含む): 939671040

約数和(自身を除く): 648179700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 139, 140, 210, 278, 417, 420, 556, 695, 834, 973, 1390, 1668, 1946, 2085, 2780, 2919, 3892, 4170, 4865, 4993, 5838, 8340, 9730, 9986, 11676, 14595, 14979, 19460, 19972, 24965, 29190, 29958, 34951, 49930, 58380, 59916, 69902, 74895, 99860, 104853, 139804, 149790, 174755, 209706, 299580, 349510, 419412, 524265, 694027, 699020, 1048530, 1388054, 2082081, 2097060, 2776108, 3470135, 4164162, 4858189, 6940270, 8328324, 9716378, 10410405, 13880540, 14574567, 19432756, 20820810, 24290945, 29149134, 41641620, 48581890, 58298268, 72872835, 97163780, 145745670, 291491340]

約数ペア:

[(1, 291491340), (2, 145745670), (3, 97163780), (4, 72872835), (5, 58298268), (6, 48581890), (7, 41641620), (10, 29149134), (12, 24290945), (14, 20820810), (15, 19432756), (20, 14574567), (21, 13880540), (28, 10410405), (30, 9716378), (35, 8328324), (42, 6940270), (60, 4858189), (70, 4164162), (84, 3470135), (105, 2776108), (139, 2097060), (140, 2082081), (210, 1388054), (278, 1048530), (417, 699020), (420, 694027), (556, 524265), (695, 419412), (834, 349510), (973, 299580), (1390, 209706), (1668, 174755), (1946, 149790), (2085, 139804), (2780, 104853), (2919, 99860), (3892, 74895), (4170, 69902), (4865, 59916), (4993, 58380), (5838, 49930), (8340, 34951), (9730, 29958), (9986, 29190), (11676, 24965), (14595, 19972), (14979, 19460)]