90209980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{92051}}^1$

素因数の和:92074

約数の個数: 36

約数和(自身を含む): 220372488

約数和(自身を除く): 130162508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 92051, 184102, 368204, 460255, 644357, 920510, 1288714, 1841020, 2577428, 3221785, 4510499, 6443570, 9020998, 12887140, 18041996, 22552495, 45104990, 90209980]

約数ペア:

[(1, 90209980), (2, 45104990), (4, 22552495), (5, 18041996), (7, 12887140), (10, 9020998), (14, 6443570), (20, 4510499), (28, 3221785), (35, 2577428), (49, 1841020), (70, 1288714), (98, 920510), (140, 644357), (196, 460255), (245, 368204), (490, 184102), (980, 92051)]