210290425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 291088512

約数和(自身を除く): 80798087

約数列:

[1, 5, 17, 25, 37, 43, 85, 185, 215, 311, 425, 629, 731, 925, 1075, 1555, 1591, 3145, 3655, 5287, 7775, 7955, 11507, 13373, 15725, 18275, 26435, 27047, 39775, 57535, 66865, 132175, 135235, 195619, 227341, 287675, 334325, 494801, 676175, 978095, 1136705, 2474005, 4890475, 5683525, 8411617, 12370025, 42058085, 210290425]

約数ペア:

[(1, 210290425), (5, 42058085), (17, 12370025), (25, 8411617), (37, 5683525), (43, 4890475), (85, 2474005), (185, 1136705), (215, 978095), (311, 676175), (425, 494801), (629, 334325), (731, 287675), (925, 227341), (1075, 195619), (1555, 135235), (1591, 132175), (3145, 66865), (3655, 57535), (5287, 39775), (7775, 27047), (7955, 26435), (11507, 18275), (13373, 15725)]