1640694770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1147339}}^1$

素因数の和:1147370

約数の個数: 32

約数和(自身を含む): 3469556160

約数和(自身を除く): 1828861390

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 1147339, 2294678, 5736695, 11473390, 12620729, 14915407, 25241458, 29830814, 63103645, 74577035, 126207290, 149154070, 164069477, 328138954, 820347385, 1640694770]

約数ペア:

[(1, 1640694770), (2, 820347385), (5, 328138954), (10, 164069477), (11, 149154070), (13, 126207290), (22, 74577035), (26, 63103645), (55, 29830814), (65, 25241458), (110, 14915407), (130, 12620729), (143, 11473390), (286, 5736695), (715, 2294678), (1430, 1147339)]