1313620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{853}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 3443328

約数和(自身を除く): 2129708

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 853, 1540, 1706, 3412, 4265, 5971, 8530, 9383, 11942, 17060, 18766, 23884, 29855, 37532, 46915, 59710, 65681, 93830, 119420, 131362, 187660, 262724, 328405, 656810, 1313620]

約数ペア:

[(1, 1313620), (2, 656810), (4, 328405), (5, 262724), (7, 187660), (10, 131362), (11, 119420), (14, 93830), (20, 65681), (22, 59710), (28, 46915), (35, 37532), (44, 29855), (55, 23884), (70, 18766), (77, 17060), (110, 11942), (140, 9383), (154, 8530), (220, 5971), (308, 4265), (385, 3412), (770, 1706), (853, 1540)]