445857800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{117331}}^1$

素因数の和:117366

約数の個数: 48

約数和(自身を含む): 1091187600

約数和(自身を除く): 645329800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 117331, 234662, 469324, 586655, 938648, 1173310, 2229289, 2346620, 2933275, 4458578, 4693240, 5866550, 8917156, 11146445, 11733100, 17834312, 22292890, 23466200, 44585780, 55732225, 89171560, 111464450, 222928900, 445857800]

約数ペア:

[(1, 445857800), (2, 222928900), (4, 111464450), (5, 89171560), (8, 55732225), (10, 44585780), (19, 23466200), (20, 22292890), (25, 17834312), (38, 11733100), (40, 11146445), (50, 8917156), (76, 5866550), (95, 4693240), (100, 4458578), (152, 2933275), (190, 2346620), (200, 2229289), (380, 1173310), (475, 938648), (760, 586655), (950, 469324), (1900, 234662), (3800, 117331)]