215641660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{9319}}^1$

素因数の和:9430

約数の個数: 48

約数和(自身を含む): 493214400

約数和(自身を除く): 277572740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 4628, 5785, 9319, 11570, 18638, 23140, 37276, 46595, 93190, 121147, 186380, 242294, 484588, 605735, 829391, 1211470, 1658782, 2422940, 3317564, 4146955, 8293910, 10782083, 16587820, 21564166, 43128332, 53910415, 107820830, 215641660]

約数ペア:

[(1, 215641660), (2, 107820830), (4, 53910415), (5, 43128332), (10, 21564166), (13, 16587820), (20, 10782083), (26, 8293910), (52, 4146955), (65, 3317564), (89, 2422940), (130, 1658782), (178, 1211470), (260, 829391), (356, 605735), (445, 484588), (890, 242294), (1157, 186380), (1780, 121147), (2314, 93190), (4628, 46595), (5785, 37276), (9319, 23140), (11570, 18638)]