217520970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{91781}}^1$

素因数の和:91870

約数の個数: 32

約数和(自身を含む): 528664320

約数和(自身を除く): 311143350

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 395, 474, 790, 1185, 2370, 91781, 183562, 275343, 458905, 550686, 917810, 1376715, 2753430, 7250699, 14501398, 21752097, 36253495, 43504194, 72506990, 108760485, 217520970]

約数ペア:

[(1, 217520970), (2, 108760485), (3, 72506990), (5, 43504194), (6, 36253495), (10, 21752097), (15, 14501398), (30, 7250699), (79, 2753430), (158, 1376715), (237, 917810), (395, 550686), (474, 458905), (790, 275343), (1185, 183562), (2370, 91781)]