190900020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{85991}}^1$

素因数の和:86040

約数の個数: 48

約数和(自身を含む): 548972928

約数和(自身を除く): 358072908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 85991, 171982, 257973, 343964, 429955, 515946, 859910, 1031892, 1289865, 1719820, 2579730, 3181667, 5159460, 6363334, 9545001, 12726668, 15908335, 19090002, 31816670, 38180004, 47725005, 63633340, 95450010, 190900020]

約数ペア:

[(1, 190900020), (2, 95450010), (3, 63633340), (4, 47725005), (5, 38180004), (6, 31816670), (10, 19090002), (12, 15908335), (15, 12726668), (20, 9545001), (30, 6363334), (37, 5159460), (60, 3181667), (74, 2579730), (111, 1719820), (148, 1289865), (185, 1031892), (222, 859910), (370, 515946), (444, 429955), (555, 343964), (740, 257973), (1110, 171982), (2220, 85991)]