30788260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{66931}}^1$

素因数の和:66963

約数の個数: 24

約数和(自身を含む): 67467456

約数和(自身を除く): 36679196

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 66931, 133862, 267724, 334655, 669310, 1338620, 1539413, 3078826, 6157652, 7697065, 15394130, 30788260]

約数ペア:

[(1, 30788260), (2, 15394130), (4, 7697065), (5, 6157652), (10, 3078826), (20, 1539413), (23, 1338620), (46, 669310), (92, 334655), (115, 267724), (230, 133862), (460, 66931)]