260339020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1\times {\mathrm{1237}}^1$

素因数の和:1882

約数の個数: 48

約数和(自身を含む): 580275360

約数和(自身を除く): 319936340

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 619, 1237, 1238, 2474, 2476, 3095, 4948, 6185, 6190, 10523, 12370, 12380, 21029, 21046, 24740, 42058, 42092, 52615, 84116, 105145, 105230, 210290, 210460, 420580, 765703, 1531406, 3062812, 3828515, 7657030, 13016951, 15314060, 26033902, 52067804, 65084755, 130169510, 260339020]

約数ペア:

[(1, 260339020), (2, 130169510), (4, 65084755), (5, 52067804), (10, 26033902), (17, 15314060), (20, 13016951), (34, 7657030), (68, 3828515), (85, 3062812), (170, 1531406), (340, 765703), (619, 420580), (1237, 210460), (1238, 210290), (2474, 105230), (2476, 105145), (3095, 84116), (4948, 52615), (6185, 42092), (6190, 42058), (10523, 24740), (12370, 21046), (12380, 21029)]