277198990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{11057}}^1$

素因数の和:11196

約数の個数: 32

約数和(自身を含む): 525476160

約数和(自身を除く): 248277170

約数列:

[1, 2, 5, 10, 23, 46, 109, 115, 218, 230, 545, 1090, 2507, 5014, 11057, 12535, 22114, 25070, 55285, 110570, 254311, 508622, 1205213, 1271555, 2410426, 2543110, 6026065, 12052130, 27719899, 55439798, 138599495, 277198990]

約数ペア:

[(1, 277198990), (2, 138599495), (5, 55439798), (10, 27719899), (23, 12052130), (46, 6026065), (109, 2543110), (115, 2410426), (218, 1271555), (230, 1205213), (545, 508622), (1090, 254311), (2507, 110570), (5014, 55285), (11057, 25070), (12535, 22114)]