54429620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2797}}^1$

素因数の和:2952

約数の個数: 48

約数和(自身を含む): 131617920

約数和(自身を除く): 77188300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 2797, 3892, 4865, 5594, 9730, 11188, 13985, 19460, 19579, 27970, 39158, 55940, 78316, 97895, 195790, 388783, 391580, 777566, 1555132, 1943915, 2721481, 3887830, 5442962, 7775660, 10885924, 13607405, 27214810, 54429620]

約数ペア:

[(1, 54429620), (2, 27214810), (4, 13607405), (5, 10885924), (7, 7775660), (10, 5442962), (14, 3887830), (20, 2721481), (28, 1943915), (35, 1555132), (70, 777566), (139, 391580), (140, 388783), (278, 195790), (556, 97895), (695, 78316), (973, 55940), (1390, 39158), (1946, 27970), (2780, 19579), (2797, 19460), (3892, 13985), (4865, 11188), (5594, 9730)]