291270860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{743}}^1\times {\mathrm{1153}}^1$

素因数の和:1922

約数の個数: 48

約数和(自身を含む): 649083456

約数和(自身を除く): 357812596

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 743, 1153, 1486, 2306, 2972, 3715, 4612, 5765, 7430, 11530, 12631, 14860, 19601, 23060, 25262, 39202, 50524, 63155, 78404, 98005, 126310, 196010, 252620, 392020, 856679, 1713358, 3426716, 4283395, 8566790, 14563543, 17133580, 29127086, 58254172, 72817715, 145635430, 291270860]

約数ペア:

[(1, 291270860), (2, 145635430), (4, 72817715), (5, 58254172), (10, 29127086), (17, 17133580), (20, 14563543), (34, 8566790), (68, 4283395), (85, 3426716), (170, 1713358), (340, 856679), (743, 392020), (1153, 252620), (1486, 196010), (2306, 126310), (2972, 98005), (3715, 78404), (4612, 63155), (5765, 50524), (7430, 39202), (11530, 25262), (12631, 23060), (14860, 19601)]