38890775

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 61067520

約数和(自身を除く): 22176745

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 89, 175, 227, 275, 385, 445, 623, 979, 1135, 1589, 1925, 2225, 2497, 3115, 4895, 5675, 6853, 7945, 12485, 15575, 17479, 20203, 24475, 34265, 39725, 62425, 87395, 101015, 141421, 171325, 222233, 436975, 505075, 707105, 1111165, 1555631, 3535525, 5555825, 7778155, 38890775]

約数ペア:

[(1, 38890775), (5, 7778155), (7, 5555825), (11, 3535525), (25, 1555631), (35, 1111165), (55, 707105), (77, 505075), (89, 436975), (175, 222233), (227, 171325), (275, 141421), (385, 101015), (445, 87395), (623, 62425), (979, 39725), (1135, 34265), (1589, 24475), (1925, 20203), (2225, 17479), (2497, 15575), (3115, 12485), (4895, 7945), (5675, 6853)]