84221210

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1\times {\mathrm{269}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 153964800

約数和(自身を除く): 69743590

約数列:

[1, 2, 5, 10, 131, 239, 262, 269, 478, 538, 655, 1195, 1310, 1345, 2390, 2690, 31309, 35239, 62618, 64291, 70478, 128582, 156545, 176195, 313090, 321455, 352390, 642910, 8422121, 16844242, 42110605, 84221210]

約数ペア:

[(1, 84221210), (2, 42110605), (5, 16844242), (10, 8422121), (131, 642910), (239, 352390), (262, 321455), (269, 313090), (478, 176195), (538, 156545), (655, 128582), (1195, 70478), (1310, 64291), (1345, 62618), (2390, 35239), (2690, 31309)]