3146240

素因数分解:

$2^9\times 5^1\times {\mathrm{1229}}^1$

素因数の和:1252

約数の個数: 40

約数和(自身を含む): 7549740

約数和(自身を除く): 4403500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1229, 1280, 2458, 2560, 4916, 6145, 9832, 12290, 19664, 24580, 39328, 49160, 78656, 98320, 157312, 196640, 314624, 393280, 629248, 786560, 1573120, 3146240]

約数ペア:

[(1, 3146240), (2, 1573120), (4, 786560), (5, 629248), (8, 393280), (10, 314624), (16, 196640), (20, 157312), (32, 98320), (40, 78656), (64, 49160), (80, 39328), (128, 24580), (160, 19664), (256, 12290), (320, 9832), (512, 6145), (640, 4916), (1229, 2560), (1280, 2458)]