78839930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{541}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 163900800

約数和(自身を除く): 85060870

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 59, 65, 95, 118, 130, 190, 247, 295, 494, 541, 590, 767, 1082, 1121, 1235, 1534, 2242, 2470, 2705, 3835, 5410, 5605, 7033, 7670, 10279, 11210, 14066, 14573, 20558, 29146, 31919, 35165, 51395, 63838, 70330, 72865, 102790, 133627, 145730, 159595, 267254, 319190, 414947, 606461, 668135, 829894, 1212922, 1336270, 2074735, 3032305, 4149470, 6064610, 7883993, 15767986, 39419965, 78839930]

約数ペア:

[(1, 78839930), (2, 39419965), (5, 15767986), (10, 7883993), (13, 6064610), (19, 4149470), (26, 3032305), (38, 2074735), (59, 1336270), (65, 1212922), (95, 829894), (118, 668135), (130, 606461), (190, 414947), (247, 319190), (295, 267254), (494, 159595), (541, 145730), (590, 133627), (767, 102790), (1082, 72865), (1121, 70330), (1235, 63838), (1534, 51395), (2242, 35165), (2470, 31919), (2705, 29146), (3835, 20558), (5410, 14573), (5605, 14066), (7033, 11210), (7670, 10279)]