172872040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{9137}}^1$

素因数の和:9202

約数の個数: 64

約数和(自身を含む): 434237760

約数和(自身を除く): 261365720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4730, 9137, 9460, 18274, 18920, 36548, 45685, 73096, 91370, 100507, 182740, 201014, 365480, 392891, 402028, 502535, 785782, 804056, 1005070, 1571564, 1964455, 2010140, 3143128, 3928910, 4020280, 4321801, 7857820, 8643602, 15715640, 17287204, 21609005, 34574408, 43218010, 86436020, 172872040]

約数ペア:

[(1, 172872040), (2, 86436020), (4, 43218010), (5, 34574408), (8, 21609005), (10, 17287204), (11, 15715640), (20, 8643602), (22, 7857820), (40, 4321801), (43, 4020280), (44, 3928910), (55, 3143128), (86, 2010140), (88, 1964455), (110, 1571564), (172, 1005070), (215, 804056), (220, 785782), (344, 502535), (430, 402028), (440, 392891), (473, 365480), (860, 201014), (946, 182740), (1720, 100507), (1892, 91370), (2365, 73096), (3784, 45685), (4730, 36548), (9137, 18920), (9460, 18274)]