209973360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{874889}}^1$

素因数の和:874905

約数の個数: 40

約数和(自身を含む): 650918160

約数和(自身を除く): 440944800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 874889, 1749778, 2624667, 3499556, 4374445, 5249334, 6999112, 8748890, 10498668, 13123335, 13998224, 17497780, 20997336, 26246670, 34995560, 41994672, 52493340, 69991120, 104986680, 209973360]

約数ペア:

[(1, 209973360), (2, 104986680), (3, 69991120), (4, 52493340), (5, 41994672), (6, 34995560), (8, 26246670), (10, 20997336), (12, 17497780), (15, 13998224), (16, 13123335), (20, 10498668), (24, 8748890), (30, 6999112), (40, 5249334), (48, 4374445), (60, 3499556), (80, 2624667), (120, 1749778), (240, 874889)]