1388268840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1652701}}^1$

素因数の和:1652722

約数の個数: 64

約数和(自身を含む): 4759781760

約数和(自身を除く): 3371512920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1652701, 3305402, 4958103, 6610804, 8263505, 9916206, 11568907, 13221608, 16527010, 19832412, 23137814, 24790515, 33054020, 34706721, 39664824, 46275628, 49581030, 57844535, 66108040, 69413442, 92551256, 99162060, 115689070, 138826884, 173533605, 198324120, 231378140, 277653768, 347067210, 462756280, 694134420, 1388268840]

約数ペア:

[(1, 1388268840), (2, 694134420), (3, 462756280), (4, 347067210), (5, 277653768), (6, 231378140), (7, 198324120), (8, 173533605), (10, 138826884), (12, 115689070), (14, 99162060), (15, 92551256), (20, 69413442), (21, 66108040), (24, 57844535), (28, 49581030), (30, 46275628), (35, 39664824), (40, 34706721), (42, 33054020), (56, 24790515), (60, 23137814), (70, 19832412), (84, 16527010), (105, 13221608), (120, 11568907), (140, 9916206), (168, 8263505), (210, 6610804), (280, 4958103), (420, 3305402), (840, 1652701)]