212312920

素因数分解:

$2^3\times 5^1\times {\mathrm{577}}^1\times {\mathrm{9199}}^1$

素因数の和:9787

約数の個数: 32

約数和(自身を含む): 478584000

約数和(自身を除く): 266271080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 577, 1154, 2308, 2885, 4616, 5770, 9199, 11540, 18398, 23080, 36796, 45995, 73592, 91990, 183980, 367960, 5307823, 10615646, 21231292, 26539115, 42462584, 53078230, 106156460, 212312920]

約数ペア:

[(1, 212312920), (2, 106156460), (4, 53078230), (5, 42462584), (8, 26539115), (10, 21231292), (20, 10615646), (40, 5307823), (577, 367960), (1154, 183980), (2308, 91990), (2885, 73592), (4616, 45995), (5770, 36796), (9199, 23080), (11540, 18398)]