978181780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{922813}}^1$

素因数の和:922875

約数の個数: 24

約数和(自身を含む): 2092942152

約数和(自身を除く): 1114760372

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 922813, 1845626, 3691252, 4614065, 9228130, 18456260, 48909089, 97818178, 195636356, 244545445, 489090890, 978181780]

約数ペア:

[(1, 978181780), (2, 489090890), (4, 244545445), (5, 195636356), (10, 97818178), (20, 48909089), (53, 18456260), (106, 9228130), (212, 4614065), (265, 3691252), (530, 1845626), (1060, 922813)]