257208090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{231719}}^1$

素因数の和:231766

約数の個数: 32

約数和(自身を含む): 633985920

約数和(自身を除く): 376777830

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 231719, 463438, 695157, 1158595, 1390314, 2317190, 3475785, 6951570, 8573603, 17147206, 25720809, 42868015, 51441618, 85736030, 128604045, 257208090]

約数ペア:

[(1, 257208090), (2, 128604045), (3, 85736030), (5, 51441618), (6, 42868015), (10, 25720809), (15, 17147206), (30, 8573603), (37, 6951570), (74, 3475785), (111, 2317190), (185, 1390314), (222, 1158595), (370, 695157), (555, 463438), (1110, 231719)]