407842680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:666

約数の個数: 192

約数和(自身を含む): 1436400000

約数和(自身を除く): 1028557320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 139, 140, 147, 168, 196, 210, 245, 278, 280, 294, 392, 417, 420, 490, 499, 556, 588, 695, 735, 834, 840, 973, 980, 998, 1112, 1176, 1390, 1470, 1497, 1668, 1946, 1960, 1996, 2085, 2495, 2780, 2919, 2940, 2994, 3336, 3493, 3892, 3992, 4170, 4865, 4990, 5560, 5838, 5880, 5988, 6811, 6986, 7485, 7784, 8340, 9730, 9980, 10479, 11676, 11976, 13622, 13972, 14595, 14970, 16680, 17465, 19460, 19960, 20433, 20958, 23352, 24451, 27244, 27944, 29190, 29940, 34055, 34930, 38920, 40866, 41916, 48902, 52395, 54488, 58380, 59880, 68110, 69361, 69860, 73353, 81732, 83832, 97804, 102165, 104790, 116760, 122255, 136220, 138722, 139720, 146706, 163464, 195608, 204330, 208083, 209580, 244510, 272440, 277444, 293412, 346805, 366765, 408660, 416166, 419160, 485527, 489020, 554888, 586824, 693610, 733530, 817320, 832332, 971054, 978040, 1040415, 1387220, 1456581, 1467060, 1664664, 1942108, 2080830, 2427635, 2774440, 2913162, 2934120, 3398689, 3884216, 4161660, 4855270, 5826324, 6797378, 7282905, 8323320, 9710540, 10196067, 11652648, 13594756, 14565810, 16993445, 19421080, 20392134, 27189512, 29131620, 33986890, 40784268, 50980335, 58263240, 67973780, 81568536, 101960670, 135947560, 203921340, 407842680]

約数ペア:

[(1, 407842680), (2, 203921340), (3, 135947560), (4, 101960670), (5, 81568536), (6, 67973780), (7, 58263240), (8, 50980335), (10, 40784268), (12, 33986890), (14, 29131620), (15, 27189512), (20, 20392134), (21, 19421080), (24, 16993445), (28, 14565810), (30, 13594756), (35, 11652648), (40, 10196067), (42, 9710540), (49, 8323320), (56, 7282905), (60, 6797378), (70, 5826324), (84, 4855270), (98, 4161660), (105, 3884216), (120, 3398689), (139, 2934120), (140, 2913162), (147, 2774440), (168, 2427635), (196, 2080830), (210, 1942108), (245, 1664664), (278, 1467060), (280, 1456581), (294, 1387220), (392, 1040415), (417, 978040), (420, 971054), (490, 832332), (499, 817320), (556, 733530), (588, 693610), (695, 586824), (735, 554888), (834, 489020), (840, 485527), (973, 419160), (980, 416166), (998, 408660), (1112, 366765), (1176, 346805), (1390, 293412), (1470, 277444), (1497, 272440), (1668, 244510), (1946, 209580), (1960, 208083), (1996, 204330), (2085, 195608), (2495, 163464), (2780, 146706), (2919, 139720), (2940, 138722), (2994, 136220), (3336, 122255), (3493, 116760), (3892, 104790), (3992, 102165), (4170, 97804), (4865, 83832), (4990, 81732), (5560, 73353), (5838, 69860), (5880, 69361), (5988, 68110), (6811, 59880), (6986, 58380), (7485, 54488), (7784, 52395), (8340, 48902), (9730, 41916), (9980, 40866), (10479, 38920), (11676, 34930), (11976, 34055), (13622, 29940), (13972, 29190), (14595, 27944), (14970, 27244), (16680, 24451), (17465, 23352), (19460, 20958), (19960, 20433)]