89980920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{249947}}^1$

素因数の和:249964

約数の個数: 48

約数和(自身を含む): 292439160

約数和(自身を除く): 202458240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 249947, 499894, 749841, 999788, 1249735, 1499682, 1999576, 2249523, 2499470, 2999364, 3749205, 4499046, 4998940, 5998728, 7498410, 8998092, 9997880, 11247615, 14996820, 17996184, 22495230, 29993640, 44990460, 89980920]

約数ペア:

[(1, 89980920), (2, 44990460), (3, 29993640), (4, 22495230), (5, 17996184), (6, 14996820), (8, 11247615), (9, 9997880), (10, 8998092), (12, 7498410), (15, 5998728), (18, 4998940), (20, 4499046), (24, 3749205), (30, 2999364), (36, 2499470), (40, 2249523), (45, 1999576), (60, 1499682), (72, 1249735), (90, 999788), (120, 749841), (180, 499894), (360, 249947)]