320387728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{33997}}^1$

素因数の和:34055

約数の個数: 40

約数和(自身を含む): 674520320

約数和(自身を除く): 354132592

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 33997, 67994, 135988, 271976, 543952, 645943, 1053907, 1291886, 2107814, 2583772, 4215628, 5167544, 8431256, 10335088, 16862512, 20024233, 40048466, 80096932, 160193864, 320387728]

約数ペア:

[(1, 320387728), (2, 160193864), (4, 80096932), (8, 40048466), (16, 20024233), (19, 16862512), (31, 10335088), (38, 8431256), (62, 5167544), (76, 4215628), (124, 2583772), (152, 2107814), (248, 1291886), (304, 1053907), (496, 645943), (589, 543952), (1178, 271976), (2356, 135988), (4712, 67994), (9424, 33997)]