28254660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67273}}^1$

素因数の和:67292

約数の個数: 48

約数和(自身を含む): 90416256

約数和(自身を除く): 62161596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 67273, 134546, 201819, 269092, 336365, 403638, 470911, 672730, 807276, 941822, 1009095, 1345460, 1412733, 1883644, 2018190, 2354555, 2825466, 4036380, 4709110, 5650932, 7063665, 9418220, 14127330, 28254660]

約数ペア:

[(1, 28254660), (2, 14127330), (3, 9418220), (4, 7063665), (5, 5650932), (6, 4709110), (7, 4036380), (10, 2825466), (12, 2354555), (14, 2018190), (15, 1883644), (20, 1412733), (21, 1345460), (28, 1009095), (30, 941822), (35, 807276), (42, 672730), (60, 470911), (70, 403638), (84, 336365), (105, 269092), (140, 201819), (210, 134546), (420, 67273)]