201710780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{1549}}^1$

素因数の和:1958

約数の個数: 48

約数和(自身を含む): 449971200

約数和(自身を除く): 248260420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 383, 766, 1532, 1549, 1915, 3098, 3830, 6196, 6511, 7660, 7745, 13022, 15490, 26044, 26333, 30980, 32555, 52666, 65110, 105332, 130220, 131665, 263330, 526660, 593267, 1186534, 2373068, 2966335, 5932670, 10085539, 11865340, 20171078, 40342156, 50427695, 100855390, 201710780]

約数ペア:

[(1, 201710780), (2, 100855390), (4, 50427695), (5, 40342156), (10, 20171078), (17, 11865340), (20, 10085539), (34, 5932670), (68, 2966335), (85, 2373068), (170, 1186534), (340, 593267), (383, 526660), (766, 263330), (1532, 131665), (1549, 130220), (1915, 105332), (3098, 65110), (3830, 52666), (6196, 32555), (6511, 30980), (7660, 26333), (7745, 26044), (13022, 15490)]