289737760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139297}}^1$

素因数の和:139325

約数の個数: 48

約数和(自身を含む): 737165016

約数和(自身を除く): 447427256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 139297, 278594, 557188, 696485, 1114376, 1392970, 1810861, 2228752, 2785940, 3621722, 4457504, 5571880, 7243444, 9054305, 11143760, 14486888, 18108610, 22287520, 28973776, 36217220, 57947552, 72434440, 144868880, 289737760]

約数ペア:

[(1, 289737760), (2, 144868880), (4, 72434440), (5, 57947552), (8, 36217220), (10, 28973776), (13, 22287520), (16, 18108610), (20, 14486888), (26, 11143760), (32, 9054305), (40, 7243444), (52, 5571880), (65, 4457504), (80, 3621722), (104, 2785940), (130, 2228752), (160, 1810861), (208, 1392970), (260, 1114376), (416, 696485), (520, 557188), (1040, 278594), (2080, 139297)]