203290420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{1427}}^1$

素因数の和:1872

約数の個数: 48

約数和(自身を含む): 453418560

約数和(自身を除く): 250128140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 419, 838, 1427, 1676, 2095, 2854, 4190, 5708, 7123, 7135, 8380, 14246, 14270, 24259, 28492, 28540, 35615, 48518, 71230, 97036, 121295, 142460, 242590, 485180, 597913, 1195826, 2391652, 2989565, 5979130, 10164521, 11958260, 20329042, 40658084, 50822605, 101645210, 203290420]

約数ペア:

[(1, 203290420), (2, 101645210), (4, 50822605), (5, 40658084), (10, 20329042), (17, 11958260), (20, 10164521), (34, 5979130), (68, 2989565), (85, 2391652), (170, 1195826), (340, 597913), (419, 485180), (838, 242590), (1427, 142460), (1676, 121295), (2095, 97036), (2854, 71230), (4190, 48518), (5708, 35615), (7123, 28540), (7135, 28492), (8380, 24259), (14246, 14270)]