29720285

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 12615715

約数列:

[1, 5, 7, 35, 41, 139, 149, 205, 287, 695, 745, 973, 1043, 1435, 4865, 5215, 5699, 6109, 20711, 28495, 30545, 39893, 42763, 103555, 144977, 199465, 213815, 724885, 849151, 4245755, 5944057, 29720285]

約数ペア:

[(1, 29720285), (5, 5944057), (7, 4245755), (35, 849151), (41, 724885), (139, 213815), (149, 199465), (205, 144977), (287, 103555), (695, 42763), (745, 39893), (973, 30545), (1043, 28495), (1435, 20711), (4865, 6109), (5215, 5699)]