991311200

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{887}}^1$

素因数の和:1045

約数の個数: 144

約数和(自身を含む): 2663829504

約数和(自身を除く): 1672518304

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 127, 160, 176, 200, 220, 254, 275, 352, 400, 440, 508, 550, 635, 800, 880, 887, 1016, 1100, 1270, 1397, 1760, 1774, 2032, 2200, 2540, 2794, 3175, 3548, 4064, 4400, 4435, 5080, 5588, 6350, 6985, 7096, 8800, 8870, 9757, 10160, 11176, 12700, 13970, 14192, 17740, 19514, 20320, 22175, 22352, 25400, 27940, 28384, 34925, 35480, 39028, 44350, 44704, 48785, 50800, 55880, 69850, 70960, 78056, 88700, 97570, 101600, 111760, 112649, 139700, 141920, 156112, 177400, 195140, 223520, 225298, 243925, 279400, 312224, 354800, 390280, 450596, 487850, 558800, 563245, 709600, 780560, 901192, 975700, 1117600, 1126490, 1239139, 1561120, 1802384, 1951400, 2252980, 2478278, 2816225, 3604768, 3902800, 4505960, 4956556, 5632450, 6195695, 7805600, 9011920, 9913112, 11264900, 12391390, 18023840, 19826224, 22529800, 24782780, 30978475, 39652448, 45059600, 49565560, 61956950, 90119200, 99131120, 123913900, 198262240, 247827800, 495655600, 991311200]

約数ペア:

[(1, 991311200), (2, 495655600), (4, 247827800), (5, 198262240), (8, 123913900), (10, 99131120), (11, 90119200), (16, 61956950), (20, 49565560), (22, 45059600), (25, 39652448), (32, 30978475), (40, 24782780), (44, 22529800), (50, 19826224), (55, 18023840), (80, 12391390), (88, 11264900), (100, 9913112), (110, 9011920), (127, 7805600), (160, 6195695), (176, 5632450), (200, 4956556), (220, 4505960), (254, 3902800), (275, 3604768), (352, 2816225), (400, 2478278), (440, 2252980), (508, 1951400), (550, 1802384), (635, 1561120), (800, 1239139), (880, 1126490), (887, 1117600), (1016, 975700), (1100, 901192), (1270, 780560), (1397, 709600), (1760, 563245), (1774, 558800), (2032, 487850), (2200, 450596), (2540, 390280), (2794, 354800), (3175, 312224), (3548, 279400), (4064, 243925), (4400, 225298), (4435, 223520), (5080, 195140), (5588, 177400), (6350, 156112), (6985, 141920), (7096, 139700), (8800, 112649), (8870, 111760), (9757, 101600), (10160, 97570), (11176, 88700), (12700, 78056), (13970, 70960), (14192, 69850), (17740, 55880), (19514, 50800), (20320, 48785), (22175, 44704), (22352, 44350), (25400, 39028), (27940, 35480), (28384, 34925)]