409003960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{593}}^1$

素因数の和:1048

約数の個数: 64

約数和(自身を含む): 945600480

約数和(自身を除く): 536596520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 401, 430, 593, 802, 860, 1186, 1604, 1720, 2005, 2372, 2965, 3208, 4010, 4744, 5930, 8020, 11860, 16040, 17243, 23720, 25499, 34486, 50998, 68972, 86215, 101996, 127495, 137944, 172430, 203992, 237793, 254990, 344860, 475586, 509980, 689720, 951172, 1019960, 1188965, 1902344, 2377930, 4755860, 9511720, 10225099, 20450198, 40900396, 51125495, 81800792, 102250990, 204501980, 409003960]

約数ペア:

[(1, 409003960), (2, 204501980), (4, 102250990), (5, 81800792), (8, 51125495), (10, 40900396), (20, 20450198), (40, 10225099), (43, 9511720), (86, 4755860), (172, 2377930), (215, 1902344), (344, 1188965), (401, 1019960), (430, 951172), (593, 689720), (802, 509980), (860, 475586), (1186, 344860), (1604, 254990), (1720, 237793), (2005, 203992), (2372, 172430), (2965, 137944), (3208, 127495), (4010, 101996), (4744, 86215), (5930, 68972), (8020, 50998), (11860, 34486), (16040, 25499), (17243, 23720)]