28920090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{449}}^1$

素因数の和:591

約数の個数: 64

約数和(自身を含む): 73872000

約数和(自身を除く): 44951910

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 113, 114, 190, 226, 285, 339, 449, 565, 570, 678, 898, 1130, 1347, 1695, 2147, 2245, 2694, 3390, 4294, 4490, 6441, 6735, 8531, 10735, 12882, 13470, 17062, 21470, 25593, 32205, 42655, 50737, 51186, 64410, 85310, 101474, 127965, 152211, 253685, 255930, 304422, 507370, 761055, 964003, 1522110, 1928006, 2892009, 4820015, 5784018, 9640030, 14460045, 28920090]

約数ペア:

[(1, 28920090), (2, 14460045), (3, 9640030), (5, 5784018), (6, 4820015), (10, 2892009), (15, 1928006), (19, 1522110), (30, 964003), (38, 761055), (57, 507370), (95, 304422), (113, 255930), (114, 253685), (190, 152211), (226, 127965), (285, 101474), (339, 85310), (449, 64410), (565, 51186), (570, 50737), (678, 42655), (898, 32205), (1130, 25593), (1347, 21470), (1695, 17062), (2147, 13470), (2245, 12882), (2694, 10735), (3390, 8531), (4294, 6735), (4490, 6441)]