431420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 1034208

約数和(自身を除く): 602788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 53, 55, 74, 106, 110, 148, 185, 212, 220, 265, 370, 407, 530, 583, 740, 814, 1060, 1166, 1628, 1961, 2035, 2332, 2915, 3922, 4070, 5830, 7844, 8140, 9805, 11660, 19610, 21571, 39220, 43142, 86284, 107855, 215710, 431420]

約数ペア:

[(1, 431420), (2, 215710), (4, 107855), (5, 86284), (10, 43142), (11, 39220), (20, 21571), (22, 19610), (37, 11660), (44, 9805), (53, 8140), (55, 7844), (74, 5830), (106, 4070), (110, 3922), (148, 2915), (185, 2332), (212, 2035), (220, 1961), (265, 1628), (370, 1166), (407, 1060), (530, 814), (583, 740)]