207617840

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^2\times {\mathrm{487}}^1$

素因数の和:646

約数の個数: 60

約数和(自身を含む): 490419504

約数和(自身を除く): 282801664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 487, 584, 730, 974, 1168, 1460, 1948, 2435, 2920, 3896, 4870, 5329, 5840, 7792, 9740, 10658, 19480, 21316, 26645, 35551, 38960, 42632, 53290, 71102, 85264, 106580, 142204, 177755, 213160, 284408, 355510, 426320, 568816, 711020, 1422040, 2595223, 2844080, 5190446, 10380892, 12976115, 20761784, 25952230, 41523568, 51904460, 103808920, 207617840]

約数ペア:

[(1, 207617840), (2, 103808920), (4, 51904460), (5, 41523568), (8, 25952230), (10, 20761784), (16, 12976115), (20, 10380892), (40, 5190446), (73, 2844080), (80, 2595223), (146, 1422040), (292, 711020), (365, 568816), (487, 426320), (584, 355510), (730, 284408), (974, 213160), (1168, 177755), (1460, 142204), (1948, 106580), (2435, 85264), (2920, 71102), (3896, 53290), (4870, 42632), (5329, 38960), (5840, 35551), (7792, 26645), (9740, 21316), (10658, 19480)]