211403380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{2503}}^1$

素因数の和:2656

約数の個数: 48

約数和(自身を含む): 459373824

約数和(自身を除く): 247970444

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 103, 164, 205, 206, 410, 412, 515, 820, 1030, 2060, 2503, 4223, 5006, 8446, 10012, 12515, 16892, 21115, 25030, 42230, 50060, 84460, 102623, 205246, 257809, 410492, 513115, 515618, 1026230, 1031236, 1289045, 2052460, 2578090, 5156180, 10570169, 21140338, 42280676, 52850845, 105701690, 211403380]

約数ペア:

[(1, 211403380), (2, 105701690), (4, 52850845), (5, 42280676), (10, 21140338), (20, 10570169), (41, 5156180), (82, 2578090), (103, 2052460), (164, 1289045), (205, 1031236), (206, 1026230), (410, 515618), (412, 513115), (515, 410492), (820, 257809), (1030, 205246), (2060, 102623), (2503, 84460), (4223, 50060), (5006, 42230), (8446, 25030), (10012, 21115), (12515, 16892)]