1937358400520

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{444348257}}^1$

素因数の和:444348377

約数の個数: 32

約数和(自身を含む): 4399047754200

約数和(自身を除く): 2461689353680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 444348257, 888696514, 1777393028, 2221741285, 3554786056, 4443482570, 8886965140, 17773930280, 48433960013, 96867920026, 193735840052, 242169800065, 387471680104, 484339600130, 968679200260, 1937358400520]

約数ペア:

[(1, 1937358400520), (2, 968679200260), (4, 484339600130), (5, 387471680104), (8, 242169800065), (10, 193735840052), (20, 96867920026), (40, 48433960013), (109, 17773930280), (218, 8886965140), (436, 4443482570), (545, 3554786056), (872, 2221741285), (1090, 1777393028), (2180, 888696514), (4360, 444348257)]