142569210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{678901}}^1$

素因数の和:678918

約数の個数: 32

約数和(自身を含む): 391047552

約数和(自身を除く): 248478342

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 678901, 1357802, 2036703, 3394505, 4073406, 4752307, 6789010, 9504614, 10183515, 14256921, 20367030, 23761535, 28513842, 47523070, 71284605, 142569210]

約数ペア:

[(1, 142569210), (2, 71284605), (3, 47523070), (5, 28513842), (6, 23761535), (7, 20367030), (10, 14256921), (14, 10183515), (15, 9504614), (21, 6789010), (30, 4752307), (35, 4073406), (42, 3394505), (70, 2036703), (105, 1357802), (210, 678901)]