290491145

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{1051}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 409017600

約数和(自身を除く): 118526455

約数列:

[1, 5, 7, 35, 53, 149, 265, 371, 745, 1043, 1051, 1855, 5215, 5255, 7357, 7897, 36785, 39485, 55279, 55703, 156599, 276395, 278515, 389921, 782995, 1096193, 1949605, 5480965, 8299747, 41498735, 58098229, 290491145]

約数ペア:

[(1, 290491145), (5, 58098229), (7, 41498735), (35, 8299747), (53, 5480965), (149, 1949605), (265, 1096193), (371, 782995), (745, 389921), (1043, 278515), (1051, 276395), (1855, 156599), (5215, 55703), (5255, 55279), (7357, 39485), (7897, 36785)]