207868990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{3617}}^1$

素因数の和:4452

約数の個数: 32

約数和(自身を含む): 428255424

約数和(自身を除く): 220386434

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 821, 1642, 3617, 4105, 5747, 7234, 8210, 11494, 18085, 25319, 28735, 36170, 50638, 57470, 126595, 253190, 2969557, 5939114, 14847785, 20786899, 29695570, 41573798, 103934495, 207868990]

約数ペア:

[(1, 207868990), (2, 103934495), (5, 41573798), (7, 29695570), (10, 20786899), (14, 14847785), (35, 5939114), (70, 2969557), (821, 253190), (1642, 126595), (3617, 57470), (4105, 50638), (5747, 36170), (7234, 28735), (8210, 25319), (11494, 18085)]