668867900

素因数分解:

$2^2\times 5^2\times {\mathrm{653}}^1\times {\mathrm{10243}}^1$

素因数の和:10910

約数の個数: 36

約数和(自身を含む): 1453807992

約数和(自身を除く): 784940092

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 653, 1306, 2612, 3265, 6530, 10243, 13060, 16325, 20486, 32650, 40972, 51215, 65300, 102430, 204860, 256075, 512150, 1024300, 6688679, 13377358, 26754716, 33443395, 66886790, 133773580, 167216975, 334433950, 668867900]

約数ペア:

[(1, 668867900), (2, 334433950), (4, 167216975), (5, 133773580), (10, 66886790), (20, 33443395), (25, 26754716), (50, 13377358), (100, 6688679), (653, 1024300), (1306, 512150), (2612, 256075), (3265, 204860), (6530, 102430), (10243, 65300), (13060, 51215), (16325, 40972), (20486, 32650)]