71844410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:503

約数の個数: 64

約数和(自身を含む): 149610240

約数和(自身を除く): 77765830

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 73, 110, 115, 146, 230, 253, 365, 389, 506, 730, 778, 803, 1265, 1606, 1679, 1945, 2530, 3358, 3890, 4015, 4279, 8030, 8395, 8558, 8947, 16790, 17894, 18469, 21395, 28397, 36938, 42790, 44735, 56794, 89470, 92345, 98417, 141985, 184690, 196834, 283970, 312367, 492085, 624734, 653131, 984170, 1306262, 1561835, 3123670, 3265655, 6531310, 7184441, 14368882, 35922205, 71844410]

約数ペア:

[(1, 71844410), (2, 35922205), (5, 14368882), (10, 7184441), (11, 6531310), (22, 3265655), (23, 3123670), (46, 1561835), (55, 1306262), (73, 984170), (110, 653131), (115, 624734), (146, 492085), (230, 312367), (253, 283970), (365, 196834), (389, 184690), (506, 141985), (730, 98417), (778, 92345), (803, 89470), (1265, 56794), (1606, 44735), (1679, 42790), (1945, 36938), (2530, 28397), (3358, 21395), (3890, 18469), (4015, 17894), (4279, 16790), (8030, 8947), (8395, 8558)]