73358020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 159204528

約数和(自身を除く): 85846508

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 137, 164, 205, 274, 410, 548, 653, 685, 820, 1306, 1370, 2612, 2740, 3265, 5617, 6530, 11234, 13060, 22468, 26773, 28085, 53546, 56170, 89461, 107092, 112340, 133865, 178922, 267730, 357844, 447305, 535460, 894610, 1789220, 3667901, 7335802, 14671604, 18339505, 36679010, 73358020]

約数ペア:

[(1, 73358020), (2, 36679010), (4, 18339505), (5, 14671604), (10, 7335802), (20, 3667901), (41, 1789220), (82, 894610), (137, 535460), (164, 447305), (205, 357844), (274, 267730), (410, 178922), (548, 133865), (653, 112340), (685, 107092), (820, 89461), (1306, 56170), (1370, 53546), (2612, 28085), (2740, 26773), (3265, 22468), (5617, 13060), (6530, 11234)]