255516380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{2053}}^1$

素因数の和:2203

約数の個数: 72

約数和(自身を含む): 629411328

約数和(自身を除く): 373894948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 127, 140, 196, 245, 254, 490, 508, 635, 889, 980, 1270, 1778, 2053, 2540, 3556, 4106, 4445, 6223, 8212, 8890, 10265, 12446, 14371, 17780, 20530, 24892, 28742, 31115, 41060, 57484, 62230, 71855, 100597, 124460, 143710, 201194, 260731, 287420, 402388, 502985, 521462, 1005970, 1042924, 1303655, 1825117, 2011940, 2607310, 3650234, 5214620, 7300468, 9125585, 12775819, 18251170, 25551638, 36502340, 51103276, 63879095, 127758190, 255516380]

約数ペア:

[(1, 255516380), (2, 127758190), (4, 63879095), (5, 51103276), (7, 36502340), (10, 25551638), (14, 18251170), (20, 12775819), (28, 9125585), (35, 7300468), (49, 5214620), (70, 3650234), (98, 2607310), (127, 2011940), (140, 1825117), (196, 1303655), (245, 1042924), (254, 1005970), (490, 521462), (508, 502985), (635, 402388), (889, 287420), (980, 260731), (1270, 201194), (1778, 143710), (2053, 124460), (2540, 100597), (3556, 71855), (4106, 62230), (4445, 57484), (6223, 41060), (8212, 31115), (8890, 28742), (10265, 24892), (12446, 20530), (14371, 17780)]