1947199280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{60397}}^1$

素因数の和:60454

約数の個数: 80

約数和(自身を含む): 5032844544

約数和(自身を除く): 3085645264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 32240, 60397, 120794, 241588, 301985, 483176, 603970, 785161, 966352, 1207940, 1570322, 1872307, 2415880, 3140644, 3744614, 3925805, 4831760, 6281288, 7489228, 7851610, 9361535, 12562576, 14978456, 15703220, 18723070, 24339991, 29956912, 31406440, 37446140, 48679982, 62812880, 74892280, 97359964, 121699955, 149784560, 194719928, 243399910, 389439856, 486799820, 973599640, 1947199280]

約数ペア:

[(1, 1947199280), (2, 973599640), (4, 486799820), (5, 389439856), (8, 243399910), (10, 194719928), (13, 149784560), (16, 121699955), (20, 97359964), (26, 74892280), (31, 62812880), (40, 48679982), (52, 37446140), (62, 31406440), (65, 29956912), (80, 24339991), (104, 18723070), (124, 15703220), (130, 14978456), (155, 12562576), (208, 9361535), (248, 7851610), (260, 7489228), (310, 6281288), (403, 4831760), (496, 3925805), (520, 3744614), (620, 3140644), (806, 2415880), (1040, 1872307), (1240, 1570322), (1612, 1207940), (2015, 966352), (2480, 785161), (3224, 603970), (4030, 483176), (6448, 301985), (8060, 241588), (16120, 120794), (32240, 60397)]