2019901030

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{4122247}}^1$

素因数の和:4122268

約数の個数: 24

約数和(自身を含む): 4229426448

約数和(自身を除く): 2209525418

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 4122247, 8244494, 20611235, 28855729, 41222470, 57711458, 144278645, 201990103, 288557290, 403980206, 1009950515, 2019901030]

約数ペア:

[(1, 2019901030), (2, 1009950515), (5, 403980206), (7, 288557290), (10, 201990103), (14, 144278645), (35, 57711458), (49, 41222470), (70, 28855729), (98, 20611235), (245, 8244494), (490, 4122247)]