206531920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11897}}^1$

素因数の和:11948

約数の個数: 80

約数和(自身を含む): 566535168

約数和(自身を除く): 360003248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 11897, 17360, 23794, 47588, 59485, 83279, 95176, 118970, 166558, 190352, 237940, 333116, 368807, 416395, 475880, 666232, 737614, 832790, 951760, 1332464, 1475228, 1665580, 1844035, 2581649, 2950456, 3331160, 3688070, 5163298, 5900912, 6662320, 7376140, 10326596, 12908245, 14752280, 20653192, 25816490, 29504560, 41306384, 51632980, 103265960, 206531920]

約数ペア:

[(1, 206531920), (2, 103265960), (4, 51632980), (5, 41306384), (7, 29504560), (8, 25816490), (10, 20653192), (14, 14752280), (16, 12908245), (20, 10326596), (28, 7376140), (31, 6662320), (35, 5900912), (40, 5163298), (56, 3688070), (62, 3331160), (70, 2950456), (80, 2581649), (112, 1844035), (124, 1665580), (140, 1475228), (155, 1332464), (217, 951760), (248, 832790), (280, 737614), (310, 666232), (434, 475880), (496, 416395), (560, 368807), (620, 333116), (868, 237940), (1085, 190352), (1240, 166558), (1736, 118970), (2170, 95176), (2480, 83279), (3472, 59485), (4340, 47588), (8680, 23794), (11897, 17360)]