1566540220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{20089}}^1$

素因数の和:20662

約数の個数: 48

約数和(自身を含む): 3766633920

約数和(自身を除く): 2200093700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557, 1114, 2228, 2785, 3899, 5570, 7798, 11140, 15596, 19495, 20089, 38990, 40178, 77980, 80356, 100445, 140623, 200890, 281246, 401780, 562492, 703115, 1406230, 2812460, 11189573, 22379146, 44758292, 55947865, 78327011, 111895730, 156654022, 223791460, 313308044, 391635055, 783270110, 1566540220]

約数ペア:

[(1, 1566540220), (2, 783270110), (4, 391635055), (5, 313308044), (7, 223791460), (10, 156654022), (14, 111895730), (20, 78327011), (28, 55947865), (35, 44758292), (70, 22379146), (140, 11189573), (557, 2812460), (1114, 1406230), (2228, 703115), (2785, 562492), (3899, 401780), (5570, 281246), (7798, 200890), (11140, 140623), (15596, 100445), (19495, 80356), (20089, 77980), (38990, 40178)]