139700440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4019}}^1$

素因数の和:4120

約数の個数: 64

約数和(自身を含む): 347328000

約数和(自身を除く): 207627560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 632, 790, 869, 1580, 1738, 3160, 3476, 4019, 4345, 6952, 8038, 8690, 16076, 17380, 20095, 32152, 34760, 40190, 44209, 80380, 88418, 160760, 176836, 221045, 317501, 353672, 442090, 635002, 884180, 1270004, 1587505, 1768360, 2540008, 3175010, 3492511, 6350020, 6985022, 12700040, 13970044, 17462555, 27940088, 34925110, 69850220, 139700440]

約数ペア:

[(1, 139700440), (2, 69850220), (4, 34925110), (5, 27940088), (8, 17462555), (10, 13970044), (11, 12700040), (20, 6985022), (22, 6350020), (40, 3492511), (44, 3175010), (55, 2540008), (79, 1768360), (88, 1587505), (110, 1270004), (158, 884180), (220, 635002), (316, 442090), (395, 353672), (440, 317501), (632, 221045), (790, 176836), (869, 160760), (1580, 88418), (1738, 80380), (3160, 44209), (3476, 40190), (4019, 34760), (4345, 32152), (6952, 20095), (8038, 17380), (8690, 16076)]