201718220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{11047}}^1$

素因数の和:11150

約数の個数: 48

約数和(自身を含む): 467728128

約数和(自身を除く): 266009908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 830, 913, 1660, 1826, 3652, 4565, 9130, 11047, 18260, 22094, 44188, 55235, 110470, 121517, 220940, 243034, 486068, 607585, 916901, 1215170, 1833802, 2430340, 3667604, 4584505, 9169010, 10085911, 18338020, 20171822, 40343644, 50429555, 100859110, 201718220]

約数ペア:

[(1, 201718220), (2, 100859110), (4, 50429555), (5, 40343644), (10, 20171822), (11, 18338020), (20, 10085911), (22, 9169010), (44, 4584505), (55, 3667604), (83, 2430340), (110, 1833802), (166, 1215170), (220, 916901), (332, 607585), (415, 486068), (830, 243034), (913, 220940), (1660, 121517), (1826, 110470), (3652, 55235), (4565, 44188), (9130, 22094), (11047, 18260)]