56641340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{421}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 140799456

約数和(自身を除く): 84158116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 421, 434, 620, 842, 868, 961, 1085, 1684, 1922, 2105, 2170, 2947, 3844, 4210, 4340, 4805, 5894, 6727, 8420, 9610, 11788, 13051, 13454, 14735, 19220, 26102, 26908, 29470, 33635, 52204, 58940, 65255, 67270, 91357, 130510, 134540, 182714, 261020, 365428, 404581, 456785, 809162, 913570, 1618324, 1827140, 2022905, 2832067, 4045810, 5664134, 8091620, 11328268, 14160335, 28320670, 56641340]

約数ペア:

[(1, 56641340), (2, 28320670), (4, 14160335), (5, 11328268), (7, 8091620), (10, 5664134), (14, 4045810), (20, 2832067), (28, 2022905), (31, 1827140), (35, 1618324), (62, 913570), (70, 809162), (124, 456785), (140, 404581), (155, 365428), (217, 261020), (310, 182714), (421, 134540), (434, 130510), (620, 91357), (842, 67270), (868, 65255), (961, 58940), (1085, 52204), (1684, 33635), (1922, 29470), (2105, 26908), (2170, 26102), (2947, 19220), (3844, 14735), (4210, 13454), (4340, 13051), (4805, 11788), (5894, 9610), (6727, 8420)]