61490860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{563}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 133410816

約数和(自身を除く): 71919956

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 127, 172, 215, 254, 430, 508, 563, 635, 860, 1126, 1270, 2252, 2540, 2815, 5461, 5630, 10922, 11260, 21844, 24209, 27305, 48418, 54610, 71501, 96836, 109220, 121045, 143002, 242090, 286004, 357505, 484180, 715010, 1430020, 3074543, 6149086, 12298172, 15372715, 30745430, 61490860]

約数ペア:

[(1, 61490860), (2, 30745430), (4, 15372715), (5, 12298172), (10, 6149086), (20, 3074543), (43, 1430020), (86, 715010), (127, 484180), (172, 357505), (215, 286004), (254, 242090), (430, 143002), (508, 121045), (563, 109220), (635, 96836), (860, 71501), (1126, 54610), (1270, 48418), (2252, 27305), (2540, 24209), (2815, 21844), (5461, 11260), (5630, 10922)]