28977030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{811}}^1$

素因数の和:1221

約数の個数: 48

約数和(自身を含む): 75623184

約数和(自身を除く): 46646154

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 397, 794, 811, 1191, 1622, 1985, 2382, 2433, 3573, 3970, 4055, 4866, 5955, 7146, 7299, 8110, 11910, 12165, 14598, 17865, 24330, 35730, 36495, 72990, 321967, 643934, 965901, 1609835, 1931802, 2897703, 3219670, 4829505, 5795406, 9659010, 14488515, 28977030]

約数ペア:

[(1, 28977030), (2, 14488515), (3, 9659010), (5, 5795406), (6, 4829505), (9, 3219670), (10, 2897703), (15, 1931802), (18, 1609835), (30, 965901), (45, 643934), (90, 321967), (397, 72990), (794, 36495), (811, 35730), (1191, 24330), (1622, 17865), (1985, 14598), (2382, 12165), (2433, 11910), (3573, 8110), (3970, 7299), (4055, 7146), (4866, 5955)]