30212140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{215801}}^1$

素因数の和:215817

約数の個数: 24

約数和(自身を含む): 72509472

約数和(自身を除く): 42297332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 215801, 431602, 863204, 1079005, 1510607, 2158010, 3021214, 4316020, 6042428, 7553035, 15106070, 30212140]

約数ペア:

[(1, 30212140), (2, 15106070), (4, 7553035), (5, 6042428), (7, 4316020), (10, 3021214), (14, 2158010), (20, 1510607), (28, 1079005), (35, 863204), (70, 431602), (140, 215801)]