6450140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 14624064

約数和(自身を除く): 8173924

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 311, 340, 610, 622, 1037, 1220, 1244, 1555, 2074, 3110, 4148, 5185, 5287, 6220, 10370, 10574, 18971, 20740, 21148, 26435, 37942, 52870, 75884, 94855, 105740, 189710, 322507, 379420, 645014, 1290028, 1612535, 3225070, 6450140]

約数ペア:

[(1, 6450140), (2, 3225070), (4, 1612535), (5, 1290028), (10, 645014), (17, 379420), (20, 322507), (34, 189710), (61, 105740), (68, 94855), (85, 75884), (122, 52870), (170, 37942), (244, 26435), (305, 21148), (311, 20740), (340, 18971), (610, 10574), (622, 10370), (1037, 6220), (1220, 5287), (1244, 5185), (1555, 4148), (2074, 3110)]