30354380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1381}}^1$

素因数の和:1554

約数の個数: 48

約数和(自身を含む): 73367616

約数和(自身を除く): 43013236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1381, 1570, 2198, 2762, 3140, 4396, 5495, 5524, 6905, 9667, 10990, 13810, 19334, 21980, 27620, 38668, 48335, 96670, 193340, 216817, 433634, 867268, 1084085, 1517719, 2168170, 3035438, 4336340, 6070876, 7588595, 15177190, 30354380]

約数ペア:

[(1, 30354380), (2, 15177190), (4, 7588595), (5, 6070876), (7, 4336340), (10, 3035438), (14, 2168170), (20, 1517719), (28, 1084085), (35, 867268), (70, 433634), (140, 216817), (157, 193340), (314, 96670), (628, 48335), (785, 38668), (1099, 27620), (1381, 21980), (1570, 19334), (2198, 13810), (2762, 10990), (3140, 9667), (4396, 6905), (5495, 5524)]