49971740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27457}}^1$

素因数の和:27486

約数の個数: 48

約数和(自身を含む): 129162432

約数和(自身を除く): 79190692

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 27457, 54914, 109828, 137285, 192199, 274570, 356941, 384398, 549140, 713882, 768796, 960995, 1427764, 1784705, 1921990, 2498587, 3569410, 3843980, 4997174, 7138820, 9994348, 12492935, 24985870, 49971740]

約数ペア:

[(1, 49971740), (2, 24985870), (4, 12492935), (5, 9994348), (7, 7138820), (10, 4997174), (13, 3843980), (14, 3569410), (20, 2498587), (26, 1921990), (28, 1784705), (35, 1427764), (52, 960995), (65, 768796), (70, 713882), (91, 549140), (130, 384398), (140, 356941), (182, 274570), (260, 192199), (364, 137285), (455, 109828), (910, 54914), (1820, 27457)]