172828880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{44089}}^1$

素因数の和:44116

約数の個数: 60

約数和(自身を含む): 467442180

約数和(自身を除く): 294613300

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 44089, 88178, 176356, 220445, 308623, 352712, 440890, 617246, 705424, 881780, 1234492, 1543115, 1763560, 2160361, 2468984, 3086230, 3527120, 4320722, 4937968, 6172460, 8641444, 10801805, 12344920, 17282888, 21603610, 24689840, 34565776, 43207220, 86414440, 172828880]

約数ペア:

[(1, 172828880), (2, 86414440), (4, 43207220), (5, 34565776), (7, 24689840), (8, 21603610), (10, 17282888), (14, 12344920), (16, 10801805), (20, 8641444), (28, 6172460), (35, 4937968), (40, 4320722), (49, 3527120), (56, 3086230), (70, 2468984), (80, 2160361), (98, 1763560), (112, 1543115), (140, 1234492), (196, 881780), (245, 705424), (280, 617246), (392, 440890), (490, 352712), (560, 308623), (784, 220445), (980, 176356), (1960, 88178), (3920, 44089)]