290848000

素因数分解:

$2^8\times 5^3\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 144

約数和(自身を含む): 741358800

約数和(自身を除く): 450510800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 125, 128, 149, 160, 200, 244, 250, 256, 298, 305, 320, 400, 488, 500, 596, 610, 640, 745, 800, 976, 1000, 1192, 1220, 1280, 1490, 1525, 1600, 1952, 2000, 2384, 2440, 2980, 3050, 3200, 3725, 3904, 4000, 4768, 4880, 5960, 6100, 6400, 7450, 7625, 7808, 8000, 9089, 9536, 9760, 11920, 12200, 14900, 15250, 15616, 16000, 18178, 18625, 19072, 19520, 23840, 24400, 29800, 30500, 32000, 36356, 37250, 38144, 39040, 45445, 47680, 48800, 59600, 61000, 72712, 74500, 78080, 90890, 95360, 97600, 119200, 122000, 145424, 149000, 181780, 190720, 195200, 227225, 238400, 244000, 290848, 298000, 363560, 390400, 454450, 476800, 488000, 581696, 596000, 727120, 908900, 953600, 976000, 1136125, 1163392, 1192000, 1454240, 1817800, 1952000, 2272250, 2326784, 2384000, 2908480, 3635600, 4544500, 4768000, 5816960, 7271200, 9089000, 11633920, 14542400, 18178000, 29084800, 36356000, 58169600, 72712000, 145424000, 290848000]

約数ペア:

[(1, 290848000), (2, 145424000), (4, 72712000), (5, 58169600), (8, 36356000), (10, 29084800), (16, 18178000), (20, 14542400), (25, 11633920), (32, 9089000), (40, 7271200), (50, 5816960), (61, 4768000), (64, 4544500), (80, 3635600), (100, 2908480), (122, 2384000), (125, 2326784), (128, 2272250), (149, 1952000), (160, 1817800), (200, 1454240), (244, 1192000), (250, 1163392), (256, 1136125), (298, 976000), (305, 953600), (320, 908900), (400, 727120), (488, 596000), (500, 581696), (596, 488000), (610, 476800), (640, 454450), (745, 390400), (800, 363560), (976, 298000), (1000, 290848), (1192, 244000), (1220, 238400), (1280, 227225), (1490, 195200), (1525, 190720), (1600, 181780), (1952, 149000), (2000, 145424), (2384, 122000), (2440, 119200), (2980, 97600), (3050, 95360), (3200, 90890), (3725, 78080), (3904, 74500), (4000, 72712), (4768, 61000), (4880, 59600), (5960, 48800), (6100, 47680), (6400, 45445), (7450, 39040), (7625, 38144), (7808, 37250), (8000, 36356), (9089, 32000), (9536, 30500), (9760, 29800), (11920, 24400), (12200, 23840), (14900, 19520), (15250, 19072), (15616, 18625), (16000, 18178)]