74642140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{401}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 161681184

約数和(自身を除く): 87039044

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 227, 401, 410, 454, 802, 820, 908, 1135, 1604, 2005, 2270, 4010, 4540, 8020, 9307, 16441, 18614, 32882, 37228, 46535, 65764, 82205, 91027, 93070, 164410, 182054, 186140, 328820, 364108, 455135, 910270, 1820540, 3732107, 7464214, 14928428, 18660535, 37321070, 74642140]

約数ペア:

[(1, 74642140), (2, 37321070), (4, 18660535), (5, 14928428), (10, 7464214), (20, 3732107), (41, 1820540), (82, 910270), (164, 455135), (205, 364108), (227, 328820), (401, 186140), (410, 182054), (454, 164410), (802, 93070), (820, 91027), (908, 82205), (1135, 65764), (1604, 46535), (2005, 37228), (2270, 32882), (4010, 18614), (4540, 16441), (8020, 9307)]