850810400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{887}}^1$

素因数の和:1027

約数の個数: 144

約数和(自身を含む): 2289228480

約数和(自身を除く): 1438418080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 109, 110, 160, 176, 200, 218, 220, 275, 352, 400, 436, 440, 545, 550, 800, 872, 880, 887, 1090, 1100, 1199, 1744, 1760, 1774, 2180, 2200, 2398, 2725, 3488, 3548, 4360, 4400, 4435, 4796, 5450, 5995, 7096, 8720, 8800, 8870, 9592, 9757, 10900, 11990, 14192, 17440, 17740, 19184, 19514, 21800, 22175, 23980, 28384, 29975, 35480, 38368, 39028, 43600, 44350, 47960, 48785, 59950, 70960, 78056, 87200, 88700, 95920, 96683, 97570, 119900, 141920, 156112, 177400, 191840, 193366, 195140, 239800, 243925, 312224, 354800, 386732, 390280, 479600, 483415, 487850, 709600, 773464, 780560, 959200, 966830, 975700, 1063513, 1546928, 1561120, 1933660, 1951400, 2127026, 2417075, 3093856, 3867320, 3902800, 4254052, 4834150, 5317565, 7734640, 7805600, 8508104, 9668300, 10635130, 15469280, 17016208, 19336600, 21270260, 26587825, 34032416, 38673200, 42540520, 53175650, 77346400, 85081040, 106351300, 170162080, 212702600, 425405200, 850810400]

約数ペア:

[(1, 850810400), (2, 425405200), (4, 212702600), (5, 170162080), (8, 106351300), (10, 85081040), (11, 77346400), (16, 53175650), (20, 42540520), (22, 38673200), (25, 34032416), (32, 26587825), (40, 21270260), (44, 19336600), (50, 17016208), (55, 15469280), (80, 10635130), (88, 9668300), (100, 8508104), (109, 7805600), (110, 7734640), (160, 5317565), (176, 4834150), (200, 4254052), (218, 3902800), (220, 3867320), (275, 3093856), (352, 2417075), (400, 2127026), (436, 1951400), (440, 1933660), (545, 1561120), (550, 1546928), (800, 1063513), (872, 975700), (880, 966830), (887, 959200), (1090, 780560), (1100, 773464), (1199, 709600), (1744, 487850), (1760, 483415), (1774, 479600), (2180, 390280), (2200, 386732), (2398, 354800), (2725, 312224), (3488, 243925), (3548, 239800), (4360, 195140), (4400, 193366), (4435, 191840), (4796, 177400), (5450, 156112), (5995, 141920), (7096, 119900), (8720, 97570), (8800, 96683), (8870, 95920), (9592, 88700), (9757, 87200), (10900, 78056), (11990, 70960), (14192, 59950), (17440, 48785), (17740, 47960), (19184, 44350), (19514, 43600), (21800, 39028), (22175, 38368), (23980, 35480), (28384, 29975)]