77180740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42407}}^1$

素因数の和:42436

約数の個数: 48

約数和(自身を含む): 199487232

約数和(自身を除く): 122306492

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 42407, 84814, 169628, 212035, 296849, 424070, 551291, 593698, 848140, 1102582, 1187396, 1484245, 2205164, 2756455, 2968490, 3859037, 5512910, 5936980, 7718074, 11025820, 15436148, 19295185, 38590370, 77180740]

約数ペア:

[(1, 77180740), (2, 38590370), (4, 19295185), (5, 15436148), (7, 11025820), (10, 7718074), (13, 5936980), (14, 5512910), (20, 3859037), (26, 2968490), (28, 2756455), (35, 2205164), (52, 1484245), (65, 1187396), (70, 1102582), (91, 848140), (130, 593698), (140, 551291), (182, 424070), (260, 296849), (364, 212035), (455, 169628), (910, 84814), (1820, 42407)]