4399450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:463

約数の個数: 48

約数和(自身を含む): 9419040

約数和(自身を除く): 5019590

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 421, 475, 550, 842, 950, 1045, 2090, 2105, 4210, 4631, 5225, 7999, 9262, 10450, 10525, 15998, 21050, 23155, 39995, 46310, 79990, 87989, 115775, 175978, 199975, 231550, 399950, 439945, 879890, 2199725, 4399450]

約数ペア:

[(1, 4399450), (2, 2199725), (5, 879890), (10, 439945), (11, 399950), (19, 231550), (22, 199975), (25, 175978), (38, 115775), (50, 87989), (55, 79990), (95, 46310), (110, 39995), (190, 23155), (209, 21050), (275, 15998), (418, 10525), (421, 10450), (475, 9262), (550, 7999), (842, 5225), (950, 4631), (1045, 4210), (2090, 2105)]