291269660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{13649}}^1$

素因数の和:13766

約数の個数: 48

約数和(自身を含む): 674200800

約数和(自身を除く): 382931140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1940, 2134, 4268, 5335, 10670, 13649, 21340, 27298, 54596, 68245, 136490, 150139, 272980, 300278, 600556, 750695, 1323953, 1501390, 2647906, 3002780, 5295812, 6619765, 13239530, 14563483, 26479060, 29126966, 58253932, 72817415, 145634830, 291269660]

約数ペア:

[(1, 291269660), (2, 145634830), (4, 72817415), (5, 58253932), (10, 29126966), (11, 26479060), (20, 14563483), (22, 13239530), (44, 6619765), (55, 5295812), (97, 3002780), (110, 2647906), (194, 1501390), (220, 1323953), (388, 750695), (485, 600556), (970, 300278), (1067, 272980), (1940, 150139), (2134, 136490), (4268, 68245), (5335, 54596), (10670, 27298), (13649, 21340)]