201991730

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{3109}}^1$

素因数の和:3278

約数の個数: 32

約数和(自身を含む): 372826800

約数和(自身を除く): 170835070

約数列:

[1, 2, 5, 10, 73, 89, 146, 178, 365, 445, 730, 890, 3109, 6218, 6497, 12994, 15545, 31090, 32485, 64970, 226957, 276701, 453914, 553402, 1134785, 1383505, 2269570, 2767010, 20199173, 40398346, 100995865, 201991730]

約数ペア:

[(1, 201991730), (2, 100995865), (5, 40398346), (10, 20199173), (73, 2767010), (89, 2269570), (146, 1383505), (178, 1134785), (365, 553402), (445, 453914), (730, 276701), (890, 226957), (3109, 64970), (6218, 32485), (6497, 31090), (12994, 15545)]