321428680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{349379}}^1$

素因数の和:349413

約数の個数: 32

約数和(自身を含む): 754660800

約数和(自身を除く): 433232120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 349379, 698758, 1397516, 1746895, 2795032, 3493790, 6987580, 8035717, 13975160, 16071434, 32142868, 40178585, 64285736, 80357170, 160714340, 321428680]

約数ペア:

[(1, 321428680), (2, 160714340), (4, 80357170), (5, 64285736), (8, 40178585), (10, 32142868), (20, 16071434), (23, 13975160), (40, 8035717), (46, 6987580), (92, 3493790), (115, 2795032), (184, 1746895), (230, 1397516), (460, 698758), (920, 349379)]