1444794620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1\times {\mathrm{2039}}^1$

素因数の和:2618

約数の個数: 48

約数和(自身を含む): 3084480000

約数和(自身を除く): 1639685380

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 499, 710, 998, 1420, 1996, 2039, 2495, 4078, 4990, 8156, 9980, 10195, 20390, 35429, 40780, 70858, 141716, 144769, 177145, 289538, 354290, 579076, 708580, 723845, 1017461, 1447690, 2034922, 2895380, 4069844, 5087305, 10174610, 20349220, 72239731, 144479462, 288958924, 361198655, 722397310, 1444794620]

約数ペア:

[(1, 1444794620), (2, 722397310), (4, 361198655), (5, 288958924), (10, 144479462), (20, 72239731), (71, 20349220), (142, 10174610), (284, 5087305), (355, 4069844), (499, 2895380), (710, 2034922), (998, 1447690), (1420, 1017461), (1996, 723845), (2039, 708580), (2495, 579076), (4078, 354290), (4990, 289538), (8156, 177145), (9980, 144769), (10195, 141716), (20390, 70858), (35429, 40780)]