389670470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:557

約数の個数: 64

約数和(自身を含む): 815546880

約数和(自身を除く): 425876410

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 179, 227, 274, 358, 454, 685, 895, 959, 1135, 1253, 1370, 1589, 1790, 1918, 2270, 2506, 3178, 4795, 6265, 7945, 9590, 12530, 15890, 24523, 31099, 40633, 49046, 62198, 81266, 122615, 155495, 171661, 203165, 217693, 245230, 284431, 310990, 343322, 406330, 435386, 568862, 858305, 1088465, 1422155, 1716610, 2176930, 2844310, 5566721, 11133442, 27833605, 38967047, 55667210, 77934094, 194835235, 389670470]

約数ペア:

[(1, 389670470), (2, 194835235), (5, 77934094), (7, 55667210), (10, 38967047), (14, 27833605), (35, 11133442), (70, 5566721), (137, 2844310), (179, 2176930), (227, 1716610), (274, 1422155), (358, 1088465), (454, 858305), (685, 568862), (895, 435386), (959, 406330), (1135, 343322), (1253, 310990), (1370, 284431), (1589, 245230), (1790, 217693), (1918, 203165), (2270, 171661), (2506, 155495), (3178, 122615), (4795, 81266), (6265, 62198), (7945, 49046), (9590, 40633), (12530, 31099), (15890, 24523)]