30782990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2801}}^1$

素因数の和:2972

約数の個数: 32

約数和(自身を含む): 63751104

約数和(自身を除く): 32968114

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 1099, 1570, 2198, 2801, 5495, 5602, 10990, 14005, 19607, 28010, 39214, 98035, 196070, 439757, 879514, 2198785, 3078299, 4397570, 6156598, 15391495, 30782990]

約数ペア:

[(1, 30782990), (2, 15391495), (5, 6156598), (7, 4397570), (10, 3078299), (14, 2198785), (35, 879514), (70, 439757), (157, 196070), (314, 98035), (785, 39214), (1099, 28010), (1570, 19607), (2198, 14005), (2801, 10990), (5495, 5602)]