279967128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:805

約数の個数: 128

約数和(自身を含む): 849408000

約数和(自身を除く): 569440872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 139, 152, 168, 228, 266, 278, 399, 417, 456, 532, 556, 631, 798, 834, 973, 1064, 1112, 1262, 1596, 1668, 1893, 1946, 2524, 2641, 2919, 3192, 3336, 3786, 3892, 4417, 5048, 5282, 5838, 7572, 7784, 7923, 8834, 10564, 11676, 11989, 13251, 15144, 15846, 17668, 18487, 21128, 23352, 23978, 26502, 31692, 35336, 35967, 36974, 47956, 53004, 55461, 63384, 71934, 73948, 83923, 87709, 95912, 106008, 110922, 143868, 147896, 167846, 175418, 221844, 251769, 263127, 287736, 335692, 350836, 443688, 503538, 526254, 613963, 671384, 701672, 1007076, 1052508, 1227926, 1666471, 1841889, 2014152, 2105016, 2455852, 3332942, 3683778, 4911704, 4999413, 6665884, 7367556, 9998826, 11665297, 13331768, 14735112, 19997652, 23330594, 34995891, 39995304, 46661188, 69991782, 93322376, 139983564, 279967128]

約数ペア:

[(1, 279967128), (2, 139983564), (3, 93322376), (4, 69991782), (6, 46661188), (7, 39995304), (8, 34995891), (12, 23330594), (14, 19997652), (19, 14735112), (21, 13331768), (24, 11665297), (28, 9998826), (38, 7367556), (42, 6665884), (56, 4999413), (57, 4911704), (76, 3683778), (84, 3332942), (114, 2455852), (133, 2105016), (139, 2014152), (152, 1841889), (168, 1666471), (228, 1227926), (266, 1052508), (278, 1007076), (399, 701672), (417, 671384), (456, 613963), (532, 526254), (556, 503538), (631, 443688), (798, 350836), (834, 335692), (973, 287736), (1064, 263127), (1112, 251769), (1262, 221844), (1596, 175418), (1668, 167846), (1893, 147896), (1946, 143868), (2524, 110922), (2641, 106008), (2919, 95912), (3192, 87709), (3336, 83923), (3786, 73948), (3892, 71934), (4417, 63384), (5048, 55461), (5282, 53004), (5838, 47956), (7572, 36974), (7784, 35967), (7923, 35336), (8834, 31692), (10564, 26502), (11676, 23978), (11989, 23352), (13251, 21128), (15144, 18487), (15846, 17668)]