9709180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 22226400

約数和(自身を除く): 12517220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 349, 428, 535, 698, 1070, 1391, 1396, 1745, 2140, 2782, 3490, 4537, 5564, 6955, 6980, 9074, 13910, 18148, 22685, 27820, 37343, 45370, 74686, 90740, 149372, 186715, 373430, 485459, 746860, 970918, 1941836, 2427295, 4854590, 9709180]

約数ペア:

[(1, 9709180), (2, 4854590), (4, 2427295), (5, 1941836), (10, 970918), (13, 746860), (20, 485459), (26, 373430), (52, 186715), (65, 149372), (107, 90740), (130, 74686), (214, 45370), (260, 37343), (349, 27820), (428, 22685), (535, 18148), (698, 13910), (1070, 9074), (1391, 6980), (1396, 6955), (1745, 5564), (2140, 4537), (2782, 3490)]