30346820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^2$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 75590592

約数和(自身を除く): 45243772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 71, 86, 140, 142, 172, 215, 284, 301, 355, 430, 497, 602, 710, 860, 994, 1204, 1420, 1505, 1988, 2485, 3010, 3053, 4970, 5041, 6020, 6106, 9940, 10082, 12212, 15265, 20164, 21371, 25205, 30530, 35287, 42742, 50410, 61060, 70574, 85484, 100820, 106855, 141148, 176435, 213710, 216763, 352870, 427420, 433526, 705740, 867052, 1083815, 1517341, 2167630, 3034682, 4335260, 6069364, 7586705, 15173410, 30346820]

約数ペア:

[(1, 30346820), (2, 15173410), (4, 7586705), (5, 6069364), (7, 4335260), (10, 3034682), (14, 2167630), (20, 1517341), (28, 1083815), (35, 867052), (43, 705740), (70, 433526), (71, 427420), (86, 352870), (140, 216763), (142, 213710), (172, 176435), (215, 141148), (284, 106855), (301, 100820), (355, 85484), (430, 70574), (497, 61060), (602, 50410), (710, 42742), (860, 35287), (994, 30530), (1204, 25205), (1420, 21371), (1505, 20164), (1988, 15265), (2485, 12212), (3010, 10082), (3053, 9940), (4970, 6106), (5041, 6020)]