19768270000

素因数分解:

$2^4\times 5^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1409}}^1$

素因数の和:1521

約数の個数: 200

約数和(自身を含む): 50796614880

約数和(自身を除く): 31028344880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 61, 80, 92, 100, 115, 122, 125, 184, 200, 230, 244, 250, 305, 368, 400, 460, 488, 500, 575, 610, 625, 920, 976, 1000, 1150, 1220, 1250, 1403, 1409, 1525, 1840, 2000, 2300, 2440, 2500, 2806, 2818, 2875, 3050, 4600, 4880, 5000, 5612, 5636, 5750, 6100, 7015, 7045, 7625, 9200, 10000, 11224, 11272, 11500, 12200, 14030, 14090, 14375, 15250, 22448, 22544, 23000, 24400, 28060, 28180, 28750, 30500, 32407, 35075, 35225, 38125, 46000, 56120, 56360, 57500, 61000, 64814, 70150, 70450, 76250, 85949, 112240, 112720, 115000, 122000, 129628, 140300, 140900, 152500, 162035, 171898, 175375, 176125, 230000, 259256, 280600, 281800, 305000, 324070, 343796, 350750, 352250, 429745, 518512, 561200, 563600, 610000, 648140, 687592, 701500, 704500, 810175, 859490, 876875, 880625, 1296280, 1375184, 1403000, 1409000, 1620350, 1718980, 1753750, 1761250, 1976827, 2148725, 2592560, 2806000, 2818000, 3240700, 3437960, 3507500, 3522500, 3953654, 4050875, 4297450, 6481400, 6875920, 7015000, 7045000, 7907308, 8101750, 8594900, 9884135, 10743625, 12962800, 14030000, 14090000, 15814616, 16203500, 17189800, 19768270, 20254375, 21487250, 31629232, 32407000, 34379600, 39536540, 40508750, 42974500, 49420675, 53718125, 64814000, 79073080, 81017500, 85949000, 98841350, 107436250, 158146160, 162035000, 171898000, 197682700, 214872500, 247103375, 324070000, 395365400, 429745000, 494206750, 790730800, 859490000, 988413500, 1235516875, 1976827000, 2471033750, 3953654000, 4942067500, 9884135000, 19768270000]

約数ペア:

[(1, 19768270000), (2, 9884135000), (4, 4942067500), (5, 3953654000), (8, 2471033750), (10, 1976827000), (16, 1235516875), (20, 988413500), (23, 859490000), (25, 790730800), (40, 494206750), (46, 429745000), (50, 395365400), (61, 324070000), (80, 247103375), (92, 214872500), (100, 197682700), (115, 171898000), (122, 162035000), (125, 158146160), (184, 107436250), (200, 98841350), (230, 85949000), (244, 81017500), (250, 79073080), (305, 64814000), (368, 53718125), (400, 49420675), (460, 42974500), (488, 40508750), (500, 39536540), (575, 34379600), (610, 32407000), (625, 31629232), (920, 21487250), (976, 20254375), (1000, 19768270), (1150, 17189800), (1220, 16203500), (1250, 15814616), (1403, 14090000), (1409, 14030000), (1525, 12962800), (1840, 10743625), (2000, 9884135), (2300, 8594900), (2440, 8101750), (2500, 7907308), (2806, 7045000), (2818, 7015000), (2875, 6875920), (3050, 6481400), (4600, 4297450), (4880, 4050875), (5000, 3953654), (5612, 3522500), (5636, 3507500), (5750, 3437960), (6100, 3240700), (7015, 2818000), (7045, 2806000), (7625, 2592560), (9200, 2148725), (10000, 1976827), (11224, 1761250), (11272, 1753750), (11500, 1718980), (12200, 1620350), (14030, 1409000), (14090, 1403000), (14375, 1375184), (15250, 1296280), (22448, 880625), (22544, 876875), (23000, 859490), (24400, 810175), (28060, 704500), (28180, 701500), (28750, 687592), (30500, 648140), (32407, 610000), (35075, 563600), (35225, 561200), (38125, 518512), (46000, 429745), (56120, 352250), (56360, 350750), (57500, 343796), (61000, 324070), (64814, 305000), (70150, 281800), (70450, 280600), (76250, 259256), (85949, 230000), (112240, 176125), (112720, 175375), (115000, 171898), (122000, 162035), (129628, 152500), (140300, 140900)]