189331340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{11789}}^1$

素因数の和:11882

約数の個数: 48

約数和(自身を含む): 439719840

約数和(自身を除く): 250388500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 4015, 8030, 11789, 16060, 23578, 47156, 58945, 117890, 129679, 235780, 259358, 518716, 648395, 860597, 1296790, 1721194, 2593580, 3442388, 4302985, 8605970, 9466567, 17211940, 18933134, 37866268, 47332835, 94665670, 189331340]

約数ペア:

[(1, 189331340), (2, 94665670), (4, 47332835), (5, 37866268), (10, 18933134), (11, 17211940), (20, 9466567), (22, 8605970), (44, 4302985), (55, 3442388), (73, 2593580), (110, 1721194), (146, 1296790), (220, 860597), (292, 648395), (365, 518716), (730, 259358), (803, 235780), (1460, 129679), (1606, 117890), (3212, 58945), (4015, 47156), (8030, 23578), (11789, 16060)]