153958000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{1571}}^1$

素因数の和:1608

約数の個数: 120

約数和(自身を含む): 433324944

約数和(自身を除く): 279366944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 400, 490, 500, 560, 700, 784, 875, 980, 1000, 1225, 1400, 1571, 1750, 1960, 2000, 2450, 2800, 3142, 3500, 3920, 4900, 6125, 6284, 7000, 7855, 9800, 10997, 12250, 12568, 14000, 15710, 19600, 21994, 24500, 25136, 31420, 39275, 43988, 49000, 54985, 62840, 76979, 78550, 87976, 98000, 109970, 125680, 153958, 157100, 175952, 196375, 219940, 274925, 307916, 314200, 384895, 392750, 439880, 549850, 615832, 628400, 769790, 785500, 879760, 1099700, 1231664, 1374625, 1539580, 1571000, 1924475, 2199400, 2749250, 3079160, 3142000, 3848950, 4398800, 5498500, 6158320, 7697900, 9622375, 10997000, 15395800, 19244750, 21994000, 30791600, 38489500, 76979000, 153958000]

約数ペア:

[(1, 153958000), (2, 76979000), (4, 38489500), (5, 30791600), (7, 21994000), (8, 19244750), (10, 15395800), (14, 10997000), (16, 9622375), (20, 7697900), (25, 6158320), (28, 5498500), (35, 4398800), (40, 3848950), (49, 3142000), (50, 3079160), (56, 2749250), (70, 2199400), (80, 1924475), (98, 1571000), (100, 1539580), (112, 1374625), (125, 1231664), (140, 1099700), (175, 879760), (196, 785500), (200, 769790), (245, 628400), (250, 615832), (280, 549850), (350, 439880), (392, 392750), (400, 384895), (490, 314200), (500, 307916), (560, 274925), (700, 219940), (784, 196375), (875, 175952), (980, 157100), (1000, 153958), (1225, 125680), (1400, 109970), (1571, 98000), (1750, 87976), (1960, 78550), (2000, 76979), (2450, 62840), (2800, 54985), (3142, 49000), (3500, 43988), (3920, 39275), (4900, 31420), (6125, 25136), (6284, 24500), (7000, 21994), (7855, 19600), (9800, 15710), (10997, 14000), (12250, 12568)]