1915691800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:362

約数の個数: 192

約数和(自身を含む): 5039677440

約数和(自身を除く): 3123985640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 47, 50, 55, 88, 94, 97, 100, 110, 188, 191, 194, 200, 220, 235, 275, 376, 382, 388, 440, 470, 485, 517, 550, 764, 776, 940, 955, 970, 1034, 1067, 1100, 1175, 1528, 1880, 1910, 1940, 2068, 2101, 2134, 2200, 2350, 2425, 2585, 3820, 3880, 4136, 4202, 4268, 4559, 4700, 4775, 4850, 5170, 5335, 7640, 8404, 8536, 8977, 9118, 9400, 9550, 9700, 10340, 10505, 10670, 12925, 16808, 17954, 18236, 18527, 19100, 19400, 20680, 21010, 21340, 22795, 25850, 26675, 35908, 36472, 37054, 38200, 42020, 42680, 44885, 45590, 50149, 51700, 52525, 53350, 71816, 74108, 84040, 89770, 91180, 92635, 98747, 100298, 103400, 105050, 106700, 113975, 148216, 179540, 182360, 185270, 197494, 200596, 203797, 210100, 213400, 224425, 227950, 250745, 359080, 370540, 394988, 401192, 407594, 420200, 448850, 455900, 463175, 493735, 501490, 741080, 789976, 815188, 870769, 897700, 911800, 926350, 987470, 1002980, 1018985, 1253725, 1630376, 1741538, 1795400, 1852700, 1974940, 2005960, 2037970, 2468675, 2507450, 3483076, 3705400, 3949880, 4075940, 4353845, 4937350, 5014900, 5094925, 6966152, 8151880, 8707690, 9578459, 9874700, 10029800, 10189850, 17415380, 19156918, 19749400, 20379700, 21769225, 34830760, 38313836, 40759400, 43538450, 47892295, 76627672, 87076900, 95784590, 174153800, 191569180, 239461475, 383138360, 478922950, 957845900, 1915691800]

約数ペア:

[(1, 1915691800), (2, 957845900), (4, 478922950), (5, 383138360), (8, 239461475), (10, 191569180), (11, 174153800), (20, 95784590), (22, 87076900), (25, 76627672), (40, 47892295), (44, 43538450), (47, 40759400), (50, 38313836), (55, 34830760), (88, 21769225), (94, 20379700), (97, 19749400), (100, 19156918), (110, 17415380), (188, 10189850), (191, 10029800), (194, 9874700), (200, 9578459), (220, 8707690), (235, 8151880), (275, 6966152), (376, 5094925), (382, 5014900), (388, 4937350), (440, 4353845), (470, 4075940), (485, 3949880), (517, 3705400), (550, 3483076), (764, 2507450), (776, 2468675), (940, 2037970), (955, 2005960), (970, 1974940), (1034, 1852700), (1067, 1795400), (1100, 1741538), (1175, 1630376), (1528, 1253725), (1880, 1018985), (1910, 1002980), (1940, 987470), (2068, 926350), (2101, 911800), (2134, 897700), (2200, 870769), (2350, 815188), (2425, 789976), (2585, 741080), (3820, 501490), (3880, 493735), (4136, 463175), (4202, 455900), (4268, 448850), (4559, 420200), (4700, 407594), (4775, 401192), (4850, 394988), (5170, 370540), (5335, 359080), (7640, 250745), (8404, 227950), (8536, 224425), (8977, 213400), (9118, 210100), (9400, 203797), (9550, 200596), (9700, 197494), (10340, 185270), (10505, 182360), (10670, 179540), (12925, 148216), (16808, 113975), (17954, 106700), (18236, 105050), (18527, 103400), (19100, 100298), (19400, 98747), (20680, 92635), (21010, 91180), (21340, 89770), (22795, 84040), (25850, 74108), (26675, 71816), (35908, 53350), (36472, 52525), (37054, 51700), (38200, 50149), (42020, 45590), (42680, 44885)]