202010438900

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1597}}^1\times {\mathrm{6421}}^1$

素因数の和:8229

約数の個数: 72

約数和(自身を含む): 440932387896

約数和(自身を除く): 238921948996

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 394, 788, 985, 1597, 1970, 3194, 3940, 4925, 6388, 6421, 7985, 9850, 12842, 15970, 19700, 25684, 31940, 32105, 39925, 64210, 79850, 128420, 159700, 160525, 314609, 321050, 629218, 642100, 1258436, 1264937, 1573045, 2529874, 3146090, 5059748, 6292180, 6324685, 7865225, 10254337, 12649370, 15730450, 20508674, 25298740, 31460900, 31623425, 41017348, 51271685, 63246850, 102543370, 126493700, 205086740, 256358425, 512716850, 1025433700, 2020104389, 4040208778, 8080417556, 10100521945, 20201043890, 40402087780, 50502609725, 101005219450, 202010438900]

約数ペア:

[(1, 202010438900), (2, 101005219450), (4, 50502609725), (5, 40402087780), (10, 20201043890), (20, 10100521945), (25, 8080417556), (50, 4040208778), (100, 2020104389), (197, 1025433700), (394, 512716850), (788, 256358425), (985, 205086740), (1597, 126493700), (1970, 102543370), (3194, 63246850), (3940, 51271685), (4925, 41017348), (6388, 31623425), (6421, 31460900), (7985, 25298740), (9850, 20508674), (12842, 15730450), (15970, 12649370), (19700, 10254337), (25684, 7865225), (31940, 6324685), (32105, 6292180), (39925, 5059748), (64210, 3146090), (79850, 2529874), (128420, 1573045), (159700, 1264937), (160525, 1258436), (314609, 642100), (321050, 629218)]