228736720

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{28309}}^1$

素因数の和:28423

約数の個数: 40

約数和(自身を含む): 537097320

約数和(自身を除く): 308360600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 28309, 56618, 113236, 141545, 226472, 283090, 452944, 566180, 1132360, 2264720, 2859209, 5718418, 11436836, 14296045, 22873672, 28592090, 45747344, 57184180, 114368360, 228736720]

約数ペア:

[(1, 228736720), (2, 114368360), (4, 57184180), (5, 45747344), (8, 28592090), (10, 22873672), (16, 14296045), (20, 11436836), (40, 5718418), (80, 2859209), (101, 2264720), (202, 1132360), (404, 566180), (505, 452944), (808, 283090), (1010, 226472), (1616, 141545), (2020, 113236), (4040, 56618), (8080, 28309)]