28001540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{28573}}^1$

素因数の和:28596

約数の個数: 36

約数和(自身を含む): 68406156

約数和(自身を除く): 40404616

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 28573, 57146, 114292, 142865, 200011, 285730, 400022, 571460, 800044, 1000055, 1400077, 2000110, 2800154, 4000220, 5600308, 7000385, 14000770, 28001540]

約数ペア:

[(1, 28001540), (2, 14000770), (4, 7000385), (5, 5600308), (7, 4000220), (10, 2800154), (14, 2000110), (20, 1400077), (28, 1000055), (35, 800044), (49, 571460), (70, 400022), (98, 285730), (140, 200011), (196, 142865), (245, 114292), (490, 57146), (980, 28573)]