423604840

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{67453}}^1$

素因数の和:67621

約数の個数: 32

約数和(自身を含む): 959195880

約数和(自身を除く): 535591040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 67453, 134906, 269812, 337265, 539624, 674530, 1349060, 2698120, 10590121, 21180242, 42360484, 52950605, 84720968, 105901210, 211802420, 423604840]

約数ペア:

[(1, 423604840), (2, 211802420), (4, 105901210), (5, 84720968), (8, 52950605), (10, 42360484), (20, 21180242), (40, 10590121), (157, 2698120), (314, 1349060), (628, 674530), (785, 539624), (1256, 337265), (1570, 269812), (3140, 134906), (6280, 67453)]