690430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:180

約数の個数: 32

約数和(自身を含む): 1378944

約数和(自身を除く): 688514

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 113, 130, 226, 235, 470, 565, 611, 1130, 1222, 1469, 2938, 3055, 5311, 6110, 7345, 10622, 14690, 26555, 53110, 69043, 138086, 345215, 690430]

約数ペア:

[(1, 690430), (2, 345215), (5, 138086), (10, 69043), (13, 53110), (26, 26555), (47, 14690), (65, 10622), (94, 7345), (113, 6110), (130, 5311), (226, 3055), (235, 2938), (470, 1469), (565, 1222), (611, 1130)]