539233640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:555

約数の個数: 128

約数和(自身を含む): 1378218240

約数和(自身を除く): 838984600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 71, 82, 88, 110, 142, 164, 205, 220, 284, 328, 355, 410, 421, 440, 451, 568, 710, 781, 820, 842, 902, 1420, 1562, 1640, 1684, 1804, 2105, 2255, 2840, 2911, 3124, 3368, 3608, 3905, 4210, 4510, 4631, 5822, 6248, 7810, 8420, 9020, 9262, 11644, 14555, 15620, 16840, 17261, 18040, 18524, 23155, 23288, 29110, 29891, 31240, 32021, 34522, 37048, 46310, 58220, 59782, 64042, 69044, 86305, 92620, 116440, 119564, 128084, 138088, 149455, 160105, 172610, 185240, 189871, 239128, 256168, 298910, 320210, 328801, 345220, 379742, 597820, 640420, 657602, 690440, 759484, 949355, 1195640, 1225531, 1280840, 1315204, 1518968, 1644005, 1898710, 2451062, 2630408, 3288010, 3797420, 4902124, 6127655, 6576020, 7594840, 9804248, 12255310, 13152040, 13480841, 24510620, 26961682, 49021240, 53923364, 67404205, 107846728, 134808410, 269616820, 539233640]

約数ペア:

[(1, 539233640), (2, 269616820), (4, 134808410), (5, 107846728), (8, 67404205), (10, 53923364), (11, 49021240), (20, 26961682), (22, 24510620), (40, 13480841), (41, 13152040), (44, 12255310), (55, 9804248), (71, 7594840), (82, 6576020), (88, 6127655), (110, 4902124), (142, 3797420), (164, 3288010), (205, 2630408), (220, 2451062), (284, 1898710), (328, 1644005), (355, 1518968), (410, 1315204), (421, 1280840), (440, 1225531), (451, 1195640), (568, 949355), (710, 759484), (781, 690440), (820, 657602), (842, 640420), (902, 597820), (1420, 379742), (1562, 345220), (1640, 328801), (1684, 320210), (1804, 298910), (2105, 256168), (2255, 239128), (2840, 189871), (2911, 185240), (3124, 172610), (3368, 160105), (3608, 149455), (3905, 138088), (4210, 128084), (4510, 119564), (4631, 116440), (5822, 92620), (6248, 86305), (7810, 69044), (8420, 64042), (9020, 59782), (9262, 58220), (11644, 46310), (14555, 37048), (15620, 34522), (16840, 32021), (17261, 31240), (18040, 29891), (18524, 29110), (23155, 23288)]