242540420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{1303}}^1$

素因数の和:1580

約数の個数: 48

約数和(自身を含む): 524458368

約数和(自身を除く): 281917948

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 227, 410, 454, 820, 908, 1135, 1303, 2270, 2606, 4540, 5212, 6515, 9307, 13030, 18614, 26060, 37228, 46535, 53423, 93070, 106846, 186140, 213692, 267115, 295781, 534230, 591562, 1068460, 1183124, 1478905, 2957810, 5915620, 12127021, 24254042, 48508084, 60635105, 121270210, 242540420]

約数ペア:

[(1, 242540420), (2, 121270210), (4, 60635105), (5, 48508084), (10, 24254042), (20, 12127021), (41, 5915620), (82, 2957810), (164, 1478905), (205, 1183124), (227, 1068460), (410, 591562), (454, 534230), (820, 295781), (908, 267115), (1135, 213692), (1303, 186140), (2270, 106846), (2606, 93070), (4540, 53423), (5212, 46535), (6515, 37228), (9307, 26060), (13030, 18614)]