30919270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{461}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 58877280

約数和(自身を除く): 27958010

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 353, 461, 706, 922, 1765, 2305, 3530, 4610, 6707, 8759, 13414, 17518, 33535, 43795, 67070, 87590, 162733, 325466, 813665, 1627330, 3091927, 6183854, 15459635, 30919270]

約数ペア:

[(1, 30919270), (2, 15459635), (5, 6183854), (10, 3091927), (19, 1627330), (38, 813665), (95, 325466), (190, 162733), (353, 87590), (461, 67070), (706, 43795), (922, 33535), (1765, 17518), (2305, 13414), (3530, 8759), (4610, 6707)]