142590245

素因数分解:

$5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:163

約数の個数: 64

約数和(自身を含む): 214272000

約数和(自身を除く): 71681755

約数列:

[1, 5, 7, 29, 35, 47, 49, 61, 145, 203, 235, 245, 305, 329, 343, 427, 1015, 1363, 1421, 1645, 1715, 1769, 2135, 2303, 2867, 2989, 6815, 7105, 8845, 9541, 9947, 11515, 12383, 14335, 14945, 16121, 20069, 20923, 47705, 49735, 61915, 66787, 80605, 83143, 86681, 100345, 104615, 140483, 333935, 415715, 433405, 467509, 582001, 606767, 702415, 983381, 2337545, 2910005, 3033835, 4074007, 4916905, 20370035, 28518049, 142590245]

約数ペア:

[(1, 142590245), (5, 28518049), (7, 20370035), (29, 4916905), (35, 4074007), (47, 3033835), (49, 2910005), (61, 2337545), (145, 983381), (203, 702415), (235, 606767), (245, 582001), (305, 467509), (329, 433405), (343, 415715), (427, 333935), (1015, 140483), (1363, 104615), (1421, 100345), (1645, 86681), (1715, 83143), (1769, 80605), (2135, 66787), (2303, 61915), (2867, 49735), (2989, 47705), (6815, 20923), (7105, 20069), (8845, 16121), (9541, 14945), (9947, 14335), (11515, 12383)]