280099450

素因数分解:

$2^1\times 5^2\times {\mathrm{389}}^1\times {\mathrm{14401}}^1$

素因数の和:14802

約数の個数: 24

約数和(自身を含む): 522360540

約数和(自身を除く): 242261090

約数列:

[1, 2, 5, 10, 25, 50, 389, 778, 1945, 3890, 9725, 14401, 19450, 28802, 72005, 144010, 360025, 720050, 5601989, 11203978, 28009945, 56019890, 140049725, 280099450]

約数ペア:

[(1, 280099450), (2, 140049725), (5, 56019890), (10, 28009945), (25, 11203978), (50, 5601989), (389, 720050), (778, 360025), (1945, 144010), (3890, 72005), (9725, 28802), (14401, 19450)]