199714000

素因数分解:

$2^4\times 5^3\times {\mathrm{61}}^1\times {\mathrm{1637}}^1$

素因数の和:1721

約数の個数: 80

約数和(自身を含む): 491124816

約数和(自身を除く): 291410816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 125, 200, 244, 250, 305, 400, 488, 500, 610, 976, 1000, 1220, 1525, 1637, 2000, 2440, 3050, 3274, 4880, 6100, 6548, 7625, 8185, 12200, 13096, 15250, 16370, 24400, 26192, 30500, 32740, 40925, 61000, 65480, 81850, 99857, 122000, 130960, 163700, 199714, 204625, 327400, 399428, 409250, 499285, 654800, 798856, 818500, 998570, 1597712, 1637000, 1997140, 2496425, 3274000, 3994280, 4992850, 7988560, 9985700, 12482125, 19971400, 24964250, 39942800, 49928500, 99857000, 199714000]

約数ペア:

[(1, 199714000), (2, 99857000), (4, 49928500), (5, 39942800), (8, 24964250), (10, 19971400), (16, 12482125), (20, 9985700), (25, 7988560), (40, 4992850), (50, 3994280), (61, 3274000), (80, 2496425), (100, 1997140), (122, 1637000), (125, 1597712), (200, 998570), (244, 818500), (250, 798856), (305, 654800), (400, 499285), (488, 409250), (500, 399428), (610, 327400), (976, 204625), (1000, 199714), (1220, 163700), (1525, 130960), (1637, 122000), (2000, 99857), (2440, 81850), (3050, 65480), (3274, 61000), (4880, 40925), (6100, 32740), (6548, 30500), (7625, 26192), (8185, 24400), (12200, 16370), (13096, 15250)]