813110260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{18223}}^1$

素因数の和:18352

約数の個数: 48

約数和(自身を含む): 1800239616

約数和(自身を除く): 987129356

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 97, 115, 194, 230, 388, 460, 485, 970, 1940, 2231, 4462, 8924, 11155, 18223, 22310, 36446, 44620, 72892, 91115, 182230, 364460, 419129, 838258, 1676516, 1767631, 2095645, 3535262, 4191290, 7070524, 8382580, 8838155, 17676310, 35352620, 40655513, 81311026, 162622052, 203277565, 406555130, 813110260]

約数ペア:

[(1, 813110260), (2, 406555130), (4, 203277565), (5, 162622052), (10, 81311026), (20, 40655513), (23, 35352620), (46, 17676310), (92, 8838155), (97, 8382580), (115, 7070524), (194, 4191290), (230, 3535262), (388, 2095645), (460, 1767631), (485, 1676516), (970, 838258), (1940, 419129), (2231, 364460), (4462, 182230), (8924, 91115), (11155, 72892), (18223, 44620), (22310, 36446)]