289497990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{260809}}^1$

素因数の和:260856

約数の個数: 32

約数和(自身を含む): 713576160

約数和(自身を除く): 424078170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 260809, 521618, 782427, 1304045, 1564854, 2608090, 3912135, 7824270, 9649933, 19299866, 28949799, 48249665, 57899598, 96499330, 144748995, 289497990]

約数ペア:

[(1, 289497990), (2, 144748995), (3, 96499330), (5, 57899598), (6, 48249665), (10, 28949799), (15, 19299866), (30, 9649933), (37, 7824270), (74, 3912135), (111, 2608090), (185, 1564854), (222, 1304045), (370, 782427), (555, 521618), (1110, 260809)]