205142004

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:978

約数の個数: 96

約数和(自身を含む): 557383680

約数和(自身を除く): 352241676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 71, 93, 108, 124, 142, 186, 213, 279, 284, 372, 426, 558, 639, 837, 852, 863, 1116, 1278, 1674, 1726, 1917, 2201, 2556, 2589, 3348, 3452, 3834, 4402, 5178, 6603, 7668, 7767, 8804, 10356, 13206, 15534, 19809, 23301, 26412, 26753, 31068, 39618, 46602, 53506, 59427, 61273, 79236, 80259, 93204, 107012, 118854, 122546, 160518, 183819, 237708, 240777, 245092, 321036, 367638, 481554, 551457, 722331, 735276, 963108, 1102914, 1444662, 1654371, 1899463, 2205828, 2889324, 3308742, 3798926, 5698389, 6617484, 7597852, 11396778, 17095167, 22793556, 34190334, 51285501, 68380668, 102571002, 205142004]

約数ペア:

[(1, 205142004), (2, 102571002), (3, 68380668), (4, 51285501), (6, 34190334), (9, 22793556), (12, 17095167), (18, 11396778), (27, 7597852), (31, 6617484), (36, 5698389), (54, 3798926), (62, 3308742), (71, 2889324), (93, 2205828), (108, 1899463), (124, 1654371), (142, 1444662), (186, 1102914), (213, 963108), (279, 735276), (284, 722331), (372, 551457), (426, 481554), (558, 367638), (639, 321036), (837, 245092), (852, 240777), (863, 237708), (1116, 183819), (1278, 160518), (1674, 122546), (1726, 118854), (1917, 107012), (2201, 93204), (2556, 80259), (2589, 79236), (3348, 61273), (3452, 59427), (3834, 53506), (4402, 46602), (5178, 39618), (6603, 31068), (7668, 26753), (7767, 26412), (8804, 23301), (10356, 19809), (13206, 15534)]