1285663060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{22739}}^1$

素因数の和:23016

約数の個数: 48

約数和(自身を含む): 2956927680

約数和(自身を除く): 1671264620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 257, 514, 1028, 1285, 2570, 2827, 5140, 5654, 11308, 14135, 22739, 28270, 45478, 56540, 90956, 113695, 227390, 250129, 454780, 500258, 1000516, 1250645, 2501290, 5002580, 5843923, 11687846, 23375692, 29219615, 58439230, 64283153, 116878460, 128566306, 257132612, 321415765, 642831530, 1285663060]

約数ペア:

[(1, 1285663060), (2, 642831530), (4, 321415765), (5, 257132612), (10, 128566306), (11, 116878460), (20, 64283153), (22, 58439230), (44, 29219615), (55, 23375692), (110, 11687846), (220, 5843923), (257, 5002580), (514, 2501290), (1028, 1250645), (1285, 1000516), (2570, 500258), (2827, 454780), (5140, 250129), (5654, 227390), (11308, 113695), (14135, 90956), (22739, 56540), (28270, 45478)]