664430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 1360800

約数和(自身を除く): 696370

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 269, 494, 538, 1235, 1345, 2470, 2690, 3497, 5111, 6994, 10222, 17485, 25555, 34970, 51110, 66443, 132886, 332215, 664430]

約数ペア:

[(1, 664430), (2, 332215), (5, 132886), (10, 66443), (13, 51110), (19, 34970), (26, 25555), (38, 17485), (65, 10222), (95, 6994), (130, 5111), (190, 3497), (247, 2690), (269, 2470), (494, 1345), (538, 1235)]