258974930

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{28807}}^1$

素因数の和:28874

約数の個数: 32

約数和(自身を含む): 497802240

約数和(自身を除く): 238827310

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 1798, 4495, 8990, 28807, 57614, 144035, 288070, 835403, 893017, 1670806, 1786034, 4177015, 4465085, 8354030, 8930170, 25897493, 51794986, 129487465, 258974930]

約数ペア:

[(1, 258974930), (2, 129487465), (5, 51794986), (10, 25897493), (29, 8930170), (31, 8354030), (58, 4465085), (62, 4177015), (145, 1786034), (155, 1670806), (290, 893017), (310, 835403), (899, 288070), (1798, 144035), (4495, 57614), (8990, 28807)]