223737680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{164513}}^1$

素因数の和:164543

約数の個数: 40

約数和(自身を含む): 550792872

約数和(自身を除く): 327055192

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 164513, 329026, 658052, 822565, 1316104, 1645130, 2632208, 2796721, 3290260, 5593442, 6580520, 11186884, 13161040, 13983605, 22373768, 27967210, 44747536, 55934420, 111868840, 223737680]

約数ペア:

[(1, 223737680), (2, 111868840), (4, 55934420), (5, 44747536), (8, 27967210), (10, 22373768), (16, 13983605), (17, 13161040), (20, 11186884), (34, 6580520), (40, 5593442), (68, 3290260), (80, 2796721), (85, 2632208), (136, 1645130), (170, 1316104), (272, 822565), (340, 658052), (680, 329026), (1360, 164513)]