267103420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{1373}}^1$

素因数の和:1590

約数の個数: 48

約数和(自身を含む): 573386688

約数和(自身を除く): 306283268

約数列:

[1, 2, 4, 5, 10, 20, 71, 137, 142, 274, 284, 355, 548, 685, 710, 1370, 1373, 1420, 2740, 2746, 5492, 6865, 9727, 13730, 19454, 27460, 38908, 48635, 97270, 97483, 188101, 194540, 194966, 376202, 389932, 487415, 752404, 940505, 974830, 1881010, 1949660, 3762020, 13355171, 26710342, 53420684, 66775855, 133551710, 267103420]

約数ペア:

[(1, 267103420), (2, 133551710), (4, 66775855), (5, 53420684), (10, 26710342), (20, 13355171), (71, 3762020), (137, 1949660), (142, 1881010), (274, 974830), (284, 940505), (355, 752404), (548, 487415), (685, 389932), (710, 376202), (1370, 194966), (1373, 194540), (1420, 188101), (2740, 97483), (2746, 97270), (5492, 48635), (6865, 38908), (9727, 27460), (13730, 19454)]