74757940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2113}}^1$

素因数の和:2212

約数の個数: 48

約数和(自身を含む): 165145680

約数和(自身を除く): 90387740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1220, 1769, 2113, 3538, 4226, 7076, 8452, 8845, 10565, 17690, 21130, 35380, 42260, 61277, 122554, 128893, 245108, 257786, 306385, 515572, 612770, 644465, 1225540, 1288930, 2577860, 3737897, 7475794, 14951588, 18689485, 37378970, 74757940]

約数ペア:

[(1, 74757940), (2, 37378970), (4, 18689485), (5, 14951588), (10, 7475794), (20, 3737897), (29, 2577860), (58, 1288930), (61, 1225540), (116, 644465), (122, 612770), (145, 515572), (244, 306385), (290, 257786), (305, 245108), (580, 128893), (610, 122554), (1220, 61277), (1769, 42260), (2113, 35380), (3538, 21130), (4226, 17690), (7076, 10565), (8452, 8845)]