216083980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{857}}^1\times {\mathrm{1801}}^1$

素因数の和:2674

約数の個数: 48

約数和(自身を含む): 519494976

約数和(自身を除く): 303410996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 857, 1714, 1801, 3428, 3602, 4285, 5999, 7204, 8570, 9005, 11998, 12607, 17140, 18010, 23996, 25214, 29995, 36020, 50428, 59990, 63035, 119980, 126070, 252140, 1543457, 3086914, 6173828, 7717285, 10804199, 15434570, 21608398, 30869140, 43216796, 54020995, 108041990, 216083980]

約数ペア:

[(1, 216083980), (2, 108041990), (4, 54020995), (5, 43216796), (7, 30869140), (10, 21608398), (14, 15434570), (20, 10804199), (28, 7717285), (35, 6173828), (70, 3086914), (140, 1543457), (857, 252140), (1714, 126070), (1801, 119980), (3428, 63035), (3602, 59990), (4285, 50428), (5999, 36020), (7204, 29995), (8570, 25214), (9005, 23996), (11998, 18010), (12607, 17140)]