39141200

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{1997}}^1$

素因数の和:2029

約数の個数: 90

約数和(自身を含む): 109444446

約数和(自身を除く): 70303246

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, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 1997, 2450, 2800, 3920, 3994, 4900, 7988, 9800, 9985, 13979, 15976, 19600, 19970, 27958, 31952, 39940, 49925, 55916, 69895, 79880, 97853, 99850, 111832, 139790, 159760, 195706, 199700, 223664, 279580, 349475, 391412, 399400, 489265, 559160, 698950, 782824, 798800, 978530, 1118320, 1397900, 1565648, 1957060, 2446325, 2795800, 3914120, 4892650, 5591600, 7828240, 9785300, 19570600, 39141200]

約数ペア:

[(1, 39141200), (2, 19570600), (4, 9785300), (5, 7828240), (7, 5591600), (8, 4892650), (10, 3914120), (14, 2795800), (16, 2446325), (20, 1957060), (25, 1565648), (28, 1397900), (35, 1118320), (40, 978530), (49, 798800), (50, 782824), (56, 698950), (70, 559160), (80, 489265), (98, 399400), (100, 391412), (112, 349475), (140, 279580), (175, 223664), (196, 199700), (200, 195706), (245, 159760), (280, 139790), (350, 111832), (392, 99850), (400, 97853), (490, 79880), (560, 69895), (700, 55916), (784, 49925), (980, 39940), (1225, 31952), (1400, 27958), (1960, 19970), (1997, 19600), (2450, 15976), (2800, 13979), (3920, 9985), (3994, 9800), (4900, 7988)]