290450810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{233}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 581188608

約数和(自身を除く): 290737798

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 223, 233, 430, 446, 466, 559, 1115, 1118, 1165, 2230, 2330, 2795, 2899, 3029, 5590, 5798, 6058, 9589, 10019, 14495, 15145, 19178, 20038, 28990, 30290, 47945, 50095, 51959, 95890, 100190, 103918, 124657, 130247, 249314, 259795, 260494, 519590, 623285, 651235, 675467, 1246570, 1302470, 1350934, 2234237, 3377335, 4468474, 6754670, 11171185, 22342370, 29045081, 58090162, 145225405, 290450810]

約数ペア:

[(1, 290450810), (2, 145225405), (5, 58090162), (10, 29045081), (13, 22342370), (26, 11171185), (43, 6754670), (65, 4468474), (86, 3377335), (130, 2234237), (215, 1350934), (223, 1302470), (233, 1246570), (430, 675467), (446, 651235), (466, 623285), (559, 519590), (1115, 260494), (1118, 259795), (1165, 249314), (2230, 130247), (2330, 124657), (2795, 103918), (2899, 100190), (3029, 95890), (5590, 51959), (5798, 50095), (6058, 47945), (9589, 30290), (10019, 28990), (14495, 20038), (15145, 19178)]