28951060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1621}}^1$

素因数の和:1696

約数の個数: 48

約数和(自身を含む): 65399040

約数和(自身を除く): 36447980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1621, 1786, 3242, 3572, 4465, 6484, 8105, 8930, 16210, 17860, 30799, 32420, 61598, 76187, 123196, 152374, 153995, 304748, 307990, 380935, 615980, 761870, 1447553, 1523740, 2895106, 5790212, 7237765, 14475530, 28951060]

約数ペア:

[(1, 28951060), (2, 14475530), (4, 7237765), (5, 5790212), (10, 2895106), (19, 1523740), (20, 1447553), (38, 761870), (47, 615980), (76, 380935), (94, 307990), (95, 304748), (188, 153995), (190, 152374), (235, 123196), (380, 76187), (470, 61598), (893, 32420), (940, 30799), (1621, 17860), (1786, 16210), (3242, 8930), (3572, 8105), (4465, 6484)]