365840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:299

約数の個数: 40

約数和(自身を含む): 903960

約数和(自身を除く): 538120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 269, 272, 340, 538, 680, 1076, 1345, 1360, 2152, 2690, 4304, 4573, 5380, 9146, 10760, 18292, 21520, 22865, 36584, 45730, 73168, 91460, 182920, 365840]

約数ペア:

[(1, 365840), (2, 182920), (4, 91460), (5, 73168), (8, 45730), (10, 36584), (16, 22865), (17, 21520), (20, 18292), (34, 10760), (40, 9146), (68, 5380), (80, 4573), (85, 4304), (136, 2690), (170, 2152), (269, 1360), (272, 1345), (340, 1076), (538, 680)]