199156540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{39359}}^1$

素因数の和:39402

約数の個数: 48

約数和(自身を含む): 476098560

約数和(自身を除く): 276942020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 39359, 78718, 157436, 196795, 393590, 432949, 787180, 865898, 905257, 1731796, 1810514, 2164745, 3621028, 4329490, 4526285, 8658980, 9052570, 9957827, 18105140, 19915654, 39831308, 49789135, 99578270, 199156540]

約数ペア:

[(1, 199156540), (2, 99578270), (4, 49789135), (5, 39831308), (10, 19915654), (11, 18105140), (20, 9957827), (22, 9052570), (23, 8658980), (44, 4526285), (46, 4329490), (55, 3621028), (92, 2164745), (110, 1810514), (115, 1731796), (220, 905257), (230, 865898), (253, 787180), (460, 432949), (506, 393590), (1012, 196795), (1265, 157436), (2530, 78718), (5060, 39359)]