243742640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{160357}}^1$

素因数の和:160389

約数の個数: 40

約数和(自身を含む): 596531760

約数和(自身を除く): 352789120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 160357, 320714, 641428, 801785, 1282856, 1603570, 2565712, 3046783, 3207140, 6093566, 6414280, 12187132, 12828560, 15233915, 24374264, 30467830, 48748528, 60935660, 121871320, 243742640]

約数ペア:

[(1, 243742640), (2, 121871320), (4, 60935660), (5, 48748528), (8, 30467830), (10, 24374264), (16, 15233915), (19, 12828560), (20, 12187132), (38, 6414280), (40, 6093566), (76, 3207140), (80, 3046783), (95, 2565712), (152, 1603570), (190, 1282856), (304, 801785), (380, 641428), (760, 320714), (1520, 160357)]