89854420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1321}}^1$

素因数の和:1528

約数の個数: 48

約数和(自身を含む): 199886400

約数和(自身を除く): 110031980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 179, 190, 358, 380, 716, 895, 1321, 1790, 2642, 3401, 3580, 5284, 6605, 6802, 13210, 13604, 17005, 25099, 26420, 34010, 50198, 68020, 100396, 125495, 236459, 250990, 472918, 501980, 945836, 1182295, 2364590, 4492721, 4729180, 8985442, 17970884, 22463605, 44927210, 89854420]

約数ペア:

[(1, 89854420), (2, 44927210), (4, 22463605), (5, 17970884), (10, 8985442), (19, 4729180), (20, 4492721), (38, 2364590), (76, 1182295), (95, 945836), (179, 501980), (190, 472918), (358, 250990), (380, 236459), (716, 125495), (895, 100396), (1321, 68020), (1790, 50198), (2642, 34010), (3401, 26420), (3580, 25099), (5284, 17005), (6605, 13604), (6802, 13210)]