238274840

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{39979}}^1$

素因数の和:40139

約数の個数: 32

約数和(自身を含む): 539730000

約数和(自身を除く): 301455160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 39979, 79958, 159916, 199895, 319832, 399790, 799580, 1599160, 5956871, 11913742, 23827484, 29784355, 47654968, 59568710, 119137420, 238274840]

約数ペア:

[(1, 238274840), (2, 119137420), (4, 59568710), (5, 47654968), (8, 29784355), (10, 23827484), (20, 11913742), (40, 5956871), (149, 1599160), (298, 799580), (596, 399790), (745, 319832), (1192, 199895), (1490, 159916), (2980, 79958), (5960, 39979)]