28974430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2089}}^1$

素因数の和:2188

約数の個数: 32

約数和(自身を含む): 55677600

約数和(自身を除く): 26703170

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 365, 730, 1387, 2089, 2774, 4178, 6935, 10445, 13870, 20890, 39691, 79382, 152497, 198455, 304994, 396910, 762485, 1524970, 2897443, 5794886, 14487215, 28974430]

約数ペア:

[(1, 28974430), (2, 14487215), (5, 5794886), (10, 2897443), (19, 1524970), (38, 762485), (73, 396910), (95, 304994), (146, 198455), (190, 152497), (365, 79382), (730, 39691), (1387, 20890), (2089, 13870), (2774, 10445), (4178, 6935)]