31814740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2887}}^1$

素因数の和:2944

約数の個数: 48

約数和(自身を含む): 72777600

約数和(自身を除く): 40962860

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 2887, 5510, 5774, 11020, 11548, 14435, 28870, 54853, 57740, 83723, 109706, 167446, 219412, 274265, 334892, 418615, 548530, 837230, 1097060, 1590737, 1674460, 3181474, 6362948, 7953685, 15907370, 31814740]

約数ペア:

[(1, 31814740), (2, 15907370), (4, 7953685), (5, 6362948), (10, 3181474), (19, 1674460), (20, 1590737), (29, 1097060), (38, 837230), (58, 548530), (76, 418615), (95, 334892), (116, 274265), (145, 219412), (190, 167446), (290, 109706), (380, 83723), (551, 57740), (580, 54853), (1102, 28870), (2204, 14435), (2755, 11548), (2887, 11020), (5510, 5774)]