628457020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{45083}}^1$

素因数の和:45150

約数の個数: 48

約数和(自身を含む): 1431507168

約数和(自身を除く): 803050148

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2788, 3485, 6970, 13940, 45083, 90166, 180332, 225415, 450830, 766411, 901660, 1532822, 1848403, 3065644, 3696806, 3832055, 7393612, 7664110, 9242015, 15328220, 18484030, 31422851, 36968060, 62845702, 125691404, 157114255, 314228510, 628457020]

約数ペア:

[(1, 628457020), (2, 314228510), (4, 157114255), (5, 125691404), (10, 62845702), (17, 36968060), (20, 31422851), (34, 18484030), (41, 15328220), (68, 9242015), (82, 7664110), (85, 7393612), (164, 3832055), (170, 3696806), (205, 3065644), (340, 1848403), (410, 1532822), (697, 901660), (820, 766411), (1394, 450830), (2788, 225415), (3485, 180332), (6970, 90166), (13940, 45083)]