858883640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1\times {\mathrm{1117}}^1$

素因数の和:1584

約数の個数: 64

約数和(自身を含む): 1980201600

約数和(自身を除く): 1121317960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 409, 470, 818, 940, 1117, 1636, 1880, 2045, 2234, 3272, 4090, 4468, 5585, 8180, 8936, 11170, 16360, 19223, 22340, 38446, 44680, 52499, 76892, 96115, 104998, 153784, 192230, 209996, 262495, 384460, 419992, 456853, 524990, 768920, 913706, 1049980, 1827412, 2099960, 2284265, 3654824, 4568530, 9137060, 18274120, 21472091, 42944182, 85888364, 107360455, 171776728, 214720910, 429441820, 858883640]

約数ペア:

[(1, 858883640), (2, 429441820), (4, 214720910), (5, 171776728), (8, 107360455), (10, 85888364), (20, 42944182), (40, 21472091), (47, 18274120), (94, 9137060), (188, 4568530), (235, 3654824), (376, 2284265), (409, 2099960), (470, 1827412), (818, 1049980), (940, 913706), (1117, 768920), (1636, 524990), (1880, 456853), (2045, 419992), (2234, 384460), (3272, 262495), (4090, 209996), (4468, 192230), (5585, 153784), (8180, 104998), (8936, 96115), (11170, 76892), (16360, 52499), (19223, 44680), (22340, 38446)]