213710320

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{14759}}^1$

素因数の和:14953

約数の個数: 40

約数和(自身を含む): 499655520

約数和(自身を除く): 285945200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 7240, 14480, 14759, 29518, 59036, 73795, 118072, 147590, 236144, 295180, 590360, 1180720, 2671379, 5342758, 10685516, 13356895, 21371032, 26713790, 42742064, 53427580, 106855160, 213710320]

約数ペア:

[(1, 213710320), (2, 106855160), (4, 53427580), (5, 42742064), (8, 26713790), (10, 21371032), (16, 13356895), (20, 10685516), (40, 5342758), (80, 2671379), (181, 1180720), (362, 590360), (724, 295180), (905, 236144), (1448, 147590), (1810, 118072), (2896, 73795), (3620, 59036), (7240, 29518), (14480, 14759)]