278540892

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{269}}^1\times {\mathrm{587}}^1$

素因数の和:880

約数の個数: 108

約数和(自身を含む): 823488120

約数和(自身を除く): 544947228

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 269, 294, 441, 538, 587, 588, 807, 882, 1076, 1174, 1614, 1761, 1764, 1883, 2348, 2421, 3228, 3522, 3766, 4109, 4842, 5283, 5649, 7044, 7532, 8218, 9684, 10566, 11298, 12327, 13181, 16436, 16947, 21132, 22596, 24654, 26362, 28763, 33894, 36981, 39543, 49308, 52724, 57526, 67788, 73962, 79086, 86289, 115052, 118629, 147924, 157903, 158172, 172578, 237258, 258867, 315806, 345156, 473709, 474516, 517734, 631612, 947418, 1035468, 1105321, 1421127, 1894836, 2210642, 2842254, 3315963, 4421284, 5684508, 6631926, 7737247, 9947889, 13263852, 15474494, 19895778, 23211741, 30948988, 39791556, 46423482, 69635223, 92846964, 139270446, 278540892]

約数ペア:

[(1, 278540892), (2, 139270446), (3, 92846964), (4, 69635223), (6, 46423482), (7, 39791556), (9, 30948988), (12, 23211741), (14, 19895778), (18, 15474494), (21, 13263852), (28, 9947889), (36, 7737247), (42, 6631926), (49, 5684508), (63, 4421284), (84, 3315963), (98, 2842254), (126, 2210642), (147, 1894836), (196, 1421127), (252, 1105321), (269, 1035468), (294, 947418), (441, 631612), (538, 517734), (587, 474516), (588, 473709), (807, 345156), (882, 315806), (1076, 258867), (1174, 237258), (1614, 172578), (1761, 158172), (1764, 157903), (1883, 147924), (2348, 118629), (2421, 115052), (3228, 86289), (3522, 79086), (3766, 73962), (4109, 67788), (4842, 57526), (5283, 52724), (5649, 49308), (7044, 39543), (7532, 36981), (8218, 33894), (9684, 28763), (10566, 26362), (11298, 24654), (12327, 22596), (13181, 21132), (16436, 16947)]