256157430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{449399}}^1$

素因数の和:449428

約数の個数: 32

約数和(自身を含む): 647136000

約数和(自身を除く): 390978570

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 449399, 898798, 1348197, 2246995, 2696394, 4493990, 6740985, 8538581, 13481970, 17077162, 25615743, 42692905, 51231486, 85385810, 128078715, 256157430]

約数ペア:

[(1, 256157430), (2, 128078715), (3, 85385810), (5, 51231486), (6, 42692905), (10, 25615743), (15, 17077162), (19, 13481970), (30, 8538581), (38, 6740985), (57, 4493990), (95, 2696394), (114, 2246995), (190, 1348197), (285, 898798), (570, 449399)]