9813880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 23940000

約数和(自身を除く): 14126120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 349, 370, 380, 698, 703, 740, 760, 1396, 1406, 1480, 1745, 2792, 2812, 3490, 3515, 5624, 6631, 6980, 7030, 12913, 13262, 13960, 14060, 25826, 26524, 28120, 33155, 51652, 53048, 64565, 66310, 103304, 129130, 132620, 245347, 258260, 265240, 490694, 516520, 981388, 1226735, 1962776, 2453470, 4906940, 9813880]

約数ペア:

[(1, 9813880), (2, 4906940), (4, 2453470), (5, 1962776), (8, 1226735), (10, 981388), (19, 516520), (20, 490694), (37, 265240), (38, 258260), (40, 245347), (74, 132620), (76, 129130), (95, 103304), (148, 66310), (152, 64565), (185, 53048), (190, 51652), (296, 33155), (349, 28120), (370, 26524), (380, 25826), (698, 14060), (703, 13960), (740, 13262), (760, 12913), (1396, 7030), (1406, 6980), (1480, 6631), (1745, 5624), (2792, 3515), (2812, 3490)]