266179640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{2213}}^1$

素因数の和:2352

約数の個数: 64

約数和(自身を含む): 624879360

約数和(自身を除く): 358699720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 97, 124, 155, 194, 248, 310, 388, 485, 620, 776, 970, 1240, 1940, 2213, 3007, 3880, 4426, 6014, 8852, 11065, 12028, 15035, 17704, 22130, 24056, 30070, 44260, 60140, 68603, 88520, 120280, 137206, 214661, 274412, 343015, 429322, 548824, 686030, 858644, 1073305, 1372060, 1717288, 2146610, 2744120, 4293220, 6654491, 8586440, 13308982, 26617964, 33272455, 53235928, 66544910, 133089820, 266179640]

約数ペア:

[(1, 266179640), (2, 133089820), (4, 66544910), (5, 53235928), (8, 33272455), (10, 26617964), (20, 13308982), (31, 8586440), (40, 6654491), (62, 4293220), (97, 2744120), (124, 2146610), (155, 1717288), (194, 1372060), (248, 1073305), (310, 858644), (388, 686030), (485, 548824), (620, 429322), (776, 343015), (970, 274412), (1240, 214661), (1940, 137206), (2213, 120280), (3007, 88520), (3880, 68603), (4426, 60140), (6014, 44260), (8852, 30070), (11065, 24056), (12028, 22130), (15035, 17704)]