78220340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{18713}}^1$

素因数の和:18752

約数の個数: 48

約数和(自身を含む): 188637120

約数和(自身を除く): 110416780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 18713, 37426, 74852, 93565, 187130, 205843, 355547, 374260, 411686, 711094, 823372, 1029215, 1422188, 1777735, 2058430, 3555470, 3911017, 4116860, 7110940, 7822034, 15644068, 19555085, 39110170, 78220340]

約数ペア:

[(1, 78220340), (2, 39110170), (4, 19555085), (5, 15644068), (10, 7822034), (11, 7110940), (19, 4116860), (20, 3911017), (22, 3555470), (38, 2058430), (44, 1777735), (55, 1422188), (76, 1029215), (95, 823372), (110, 711094), (190, 411686), (209, 374260), (220, 355547), (380, 205843), (418, 187130), (836, 93565), (1045, 74852), (2090, 37426), (4180, 18713)]