254852015

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 361972800

約数和(自身を除く): 107120785

約数列:

[1, 5, 11, 17, 55, 71, 85, 121, 187, 349, 355, 605, 781, 935, 1207, 1745, 2057, 3839, 3905, 5933, 6035, 8591, 10285, 13277, 19195, 24779, 29665, 42229, 42955, 65263, 66385, 123895, 146047, 211145, 272569, 326315, 421243, 717893, 730235, 1362845, 2106215, 2998259, 3589465, 4633673, 14991295, 23168365, 50970403, 254852015]

約数ペア:

[(1, 254852015), (5, 50970403), (11, 23168365), (17, 14991295), (55, 4633673), (71, 3589465), (85, 2998259), (121, 2106215), (187, 1362845), (349, 730235), (355, 717893), (605, 421243), (781, 326315), (935, 272569), (1207, 211145), (1745, 146047), (2057, 123895), (3839, 66385), (3905, 65263), (5933, 42955), (6035, 42229), (8591, 29665), (10285, 24779), (13277, 19195)]