4157720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 11059200

約数和(自身を除く): 6901480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 479, 620, 868, 958, 1085, 1240, 1736, 1916, 2170, 2395, 3353, 3832, 4340, 4790, 6706, 8680, 9580, 13412, 14849, 16765, 19160, 26824, 29698, 33530, 59396, 67060, 74245, 103943, 118792, 134120, 148490, 207886, 296980, 415772, 519715, 593960, 831544, 1039430, 2078860, 4157720]

約数ペア:

[(1, 4157720), (2, 2078860), (4, 1039430), (5, 831544), (7, 593960), (8, 519715), (10, 415772), (14, 296980), (20, 207886), (28, 148490), (31, 134120), (35, 118792), (40, 103943), (56, 74245), (62, 67060), (70, 59396), (124, 33530), (140, 29698), (155, 26824), (217, 19160), (248, 16765), (280, 14849), (310, 13412), (434, 9580), (479, 8680), (620, 6706), (868, 4790), (958, 4340), (1085, 3832), (1240, 3353), (1736, 2395), (1916, 2170)]