7878890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 14769216

約数和(自身を除く): 6890326

約数列:

[1, 2, 5, 10, 43, 73, 86, 146, 215, 251, 365, 430, 502, 730, 1255, 2510, 3139, 6278, 10793, 15695, 18323, 21586, 31390, 36646, 53965, 91615, 107930, 183230, 787889, 1575778, 3939445, 7878890]

約数ペア:

[(1, 7878890), (2, 3939445), (5, 1575778), (10, 787889), (43, 183230), (73, 107930), (86, 91615), (146, 53965), (215, 36646), (251, 31390), (365, 21586), (430, 18323), (502, 15695), (730, 10793), (1255, 6278), (2510, 3139)]