200465140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{907}}^1$

素因数の和:1216

約数の個数: 48

約数和(自身を含む): 432919872

約数和(自身を除く): 232454732

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 257, 430, 514, 860, 907, 1028, 1285, 1814, 2570, 3628, 4535, 5140, 9070, 11051, 18140, 22102, 39001, 44204, 55255, 78002, 110510, 156004, 195005, 221020, 233099, 390010, 466198, 780020, 932396, 1165495, 2330990, 4661980, 10023257, 20046514, 40093028, 50116285, 100232570, 200465140]

約数ペア:

[(1, 200465140), (2, 100232570), (4, 50116285), (5, 40093028), (10, 20046514), (20, 10023257), (43, 4661980), (86, 2330990), (172, 1165495), (215, 932396), (257, 780020), (430, 466198), (514, 390010), (860, 233099), (907, 221020), (1028, 195005), (1285, 156004), (1814, 110510), (2570, 78002), (3628, 55255), (4535, 44204), (5140, 39001), (9070, 22102), (11051, 18140)]