318320

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:209

約数の個数: 40

約数和(自身を含む): 776736

約数和(自身を除く): 458416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 173, 184, 230, 346, 368, 460, 692, 865, 920, 1384, 1730, 1840, 2768, 3460, 3979, 6920, 7958, 13840, 15916, 19895, 31832, 39790, 63664, 79580, 159160, 318320]

約数ペア:

[(1, 318320), (2, 159160), (4, 79580), (5, 63664), (8, 39790), (10, 31832), (16, 19895), (20, 15916), (23, 13840), (40, 7958), (46, 6920), (80, 3979), (92, 3460), (115, 2768), (173, 1840), (184, 1730), (230, 1384), (346, 920), (368, 865), (460, 692)]