4970780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 11182080

約数和(自身を除く): 6211300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 127, 190, 206, 254, 380, 412, 508, 515, 635, 1030, 1270, 1957, 2060, 2413, 2540, 3914, 4826, 7828, 9652, 9785, 12065, 13081, 19570, 24130, 26162, 39140, 48260, 52324, 65405, 130810, 248539, 261620, 497078, 994156, 1242695, 2485390, 4970780]

約数ペア:

[(1, 4970780), (2, 2485390), (4, 1242695), (5, 994156), (10, 497078), (19, 261620), (20, 248539), (38, 130810), (76, 65405), (95, 52324), (103, 48260), (127, 39140), (190, 26162), (206, 24130), (254, 19570), (380, 13081), (412, 12065), (508, 9785), (515, 9652), (635, 7828), (1030, 4826), (1270, 3914), (1957, 2540), (2060, 2413)]