211678900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3037}}^1$

素因数の和:3109

約数の個数: 72

約数和(自身を含む): 498389976

約数和(自身を除く): 286711076

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 41, 50, 68, 82, 85, 100, 164, 170, 205, 340, 410, 425, 697, 820, 850, 1025, 1394, 1700, 2050, 2788, 3037, 3485, 4100, 6074, 6970, 12148, 13940, 15185, 17425, 30370, 34850, 51629, 60740, 69700, 75925, 103258, 124517, 151850, 206516, 249034, 258145, 303700, 498068, 516290, 622585, 1032580, 1245170, 1290725, 2116789, 2490340, 2581450, 3112925, 4233578, 5162900, 6225850, 8467156, 10583945, 12451700, 21167890, 42335780, 52919725, 105839450, 211678900]

約数ペア:

[(1, 211678900), (2, 105839450), (4, 52919725), (5, 42335780), (10, 21167890), (17, 12451700), (20, 10583945), (25, 8467156), (34, 6225850), (41, 5162900), (50, 4233578), (68, 3112925), (82, 2581450), (85, 2490340), (100, 2116789), (164, 1290725), (170, 1245170), (205, 1032580), (340, 622585), (410, 516290), (425, 498068), (697, 303700), (820, 258145), (850, 249034), (1025, 206516), (1394, 151850), (1700, 124517), (2050, 103258), (2788, 75925), (3037, 69700), (3485, 60740), (4100, 51629), (6074, 34850), (6970, 30370), (12148, 17425), (13940, 15185)]