2019975880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{15727}}^1$

素因数の和:15783

約数の個数: 96

約数和(自身を含む): 5180803200

約数和(自身を除く): 3160827320

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 169, 190, 247, 260, 338, 380, 494, 520, 676, 760, 845, 988, 1235, 1352, 1690, 1976, 2470, 3211, 3380, 4940, 6422, 6760, 9880, 12844, 15727, 16055, 25688, 31454, 32110, 62908, 64220, 78635, 125816, 128440, 157270, 204451, 298813, 314540, 408902, 597626, 629080, 817804, 1022255, 1195252, 1494065, 1635608, 2044510, 2390504, 2657863, 2988130, 3884569, 4089020, 5315726, 5976260, 7769138, 8178040, 10631452, 11952520, 13289315, 15538276, 19422845, 21262904, 26578630, 31076552, 38845690, 50499397, 53157260, 77691380, 100998794, 106314520, 155382760, 201997588, 252496985, 403995176, 504993970, 1009987940, 2019975880]

約数ペア:

[(1, 2019975880), (2, 1009987940), (4, 504993970), (5, 403995176), (8, 252496985), (10, 201997588), (13, 155382760), (19, 106314520), (20, 100998794), (26, 77691380), (38, 53157260), (40, 50499397), (52, 38845690), (65, 31076552), (76, 26578630), (95, 21262904), (104, 19422845), (130, 15538276), (152, 13289315), (169, 11952520), (190, 10631452), (247, 8178040), (260, 7769138), (338, 5976260), (380, 5315726), (494, 4089020), (520, 3884569), (676, 2988130), (760, 2657863), (845, 2390504), (988, 2044510), (1235, 1635608), (1352, 1494065), (1690, 1195252), (1976, 1022255), (2470, 817804), (3211, 629080), (3380, 597626), (4940, 408902), (6422, 314540), (6760, 298813), (9880, 204451), (12844, 157270), (15727, 128440), (16055, 125816), (25688, 78635), (31454, 64220), (32110, 62908)]