18804524900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{2213}}^1$

素因数の和:2494

約数の個数: 144

約数和(自身を含む): 47659449600

約数和(自身を除く): 28854924700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 61, 70, 100, 122, 140, 175, 199, 244, 305, 350, 398, 427, 610, 700, 796, 854, 995, 1220, 1393, 1525, 1708, 1990, 2135, 2213, 2786, 3050, 3980, 4270, 4426, 4975, 5572, 6100, 6965, 8540, 8852, 9950, 10675, 11065, 12139, 13930, 15491, 19900, 21350, 22130, 24278, 27860, 30982, 34825, 42700, 44260, 48556, 55325, 60695, 61964, 69650, 77455, 84973, 110650, 121390, 134993, 139300, 154910, 169946, 221300, 242780, 269986, 303475, 309820, 339892, 387275, 424865, 440387, 539972, 606950, 674965, 774550, 849730, 880774, 944951, 1213900, 1349930, 1549100, 1699460, 1761548, 1889902, 2124325, 2201935, 2699860, 3082709, 3374825, 3779804, 4248650, 4403870, 4724755, 6165418, 6749650, 8497300, 8807740, 9449510, 11009675, 12330836, 13499300, 15413545, 18899020, 22019350, 23623775, 26863607, 30827090, 44038700, 47247550, 53727214, 61654180, 77067725, 94495100, 107454428, 134318035, 154135450, 188045249, 268636070, 308270900, 376090498, 537272140, 671590175, 752180996, 940226245, 1343180350, 1880452490, 2686360700, 3760904980, 4701131225, 9402262450, 18804524900]

約数ペア:

[(1, 18804524900), (2, 9402262450), (4, 4701131225), (5, 3760904980), (7, 2686360700), (10, 1880452490), (14, 1343180350), (20, 940226245), (25, 752180996), (28, 671590175), (35, 537272140), (50, 376090498), (61, 308270900), (70, 268636070), (100, 188045249), (122, 154135450), (140, 134318035), (175, 107454428), (199, 94495100), (244, 77067725), (305, 61654180), (350, 53727214), (398, 47247550), (427, 44038700), (610, 30827090), (700, 26863607), (796, 23623775), (854, 22019350), (995, 18899020), (1220, 15413545), (1393, 13499300), (1525, 12330836), (1708, 11009675), (1990, 9449510), (2135, 8807740), (2213, 8497300), (2786, 6749650), (3050, 6165418), (3980, 4724755), (4270, 4403870), (4426, 4248650), (4975, 3779804), (5572, 3374825), (6100, 3082709), (6965, 2699860), (8540, 2201935), (8852, 2124325), (9950, 1889902), (10675, 1761548), (11065, 1699460), (12139, 1549100), (13930, 1349930), (15491, 1213900), (19900, 944951), (21350, 880774), (22130, 849730), (24278, 774550), (27860, 674965), (30982, 606950), (34825, 539972), (42700, 440387), (44260, 424865), (48556, 387275), (55325, 339892), (60695, 309820), (61964, 303475), (69650, 269986), (77455, 242780), (84973, 221300), (110650, 169946), (121390, 154910), (134993, 139300)]