861990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{487}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 2108160

約数和(自身を除く): 1246170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 118, 177, 295, 354, 487, 590, 885, 974, 1461, 1770, 2435, 2922, 4870, 7305, 14610, 28733, 57466, 86199, 143665, 172398, 287330, 430995, 861990]

約数ペア:

[(1, 861990), (2, 430995), (3, 287330), (5, 172398), (6, 143665), (10, 86199), (15, 57466), (30, 28733), (59, 14610), (118, 7305), (177, 4870), (295, 2922), (354, 2435), (487, 1770), (590, 1461), (885, 974)]