15509620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{797}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 37537920

約数和(自身を除く): 22028300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 797, 973, 1390, 1594, 1946, 2780, 3188, 3892, 3985, 4865, 5579, 7970, 9730, 11158, 15940, 19460, 22316, 27895, 55790, 110783, 111580, 221566, 443132, 553915, 775481, 1107830, 1550962, 2215660, 3101924, 3877405, 7754810, 15509620]

約数ペア:

[(1, 15509620), (2, 7754810), (4, 3877405), (5, 3101924), (7, 2215660), (10, 1550962), (14, 1107830), (20, 775481), (28, 553915), (35, 443132), (70, 221566), (139, 111580), (140, 110783), (278, 55790), (556, 27895), (695, 22316), (797, 19460), (973, 15940), (1390, 11158), (1594, 9730), (1946, 7970), (2780, 5579), (3188, 4865), (3892, 3985)]