291299680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{260089}}^1$

素因数の和:260111

約数の個数: 48

約数和(自身を含む): 786512160

約数和(自身を除く): 495212480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 260089, 520178, 1040356, 1300445, 1820623, 2080712, 2600890, 3641246, 4161424, 5201780, 7282492, 8322848, 9103115, 10403560, 14564984, 18206230, 20807120, 29129968, 36412460, 41614240, 58259936, 72824920, 145649840, 291299680]

約数ペア:

[(1, 291299680), (2, 145649840), (4, 72824920), (5, 58259936), (7, 41614240), (8, 36412460), (10, 29129968), (14, 20807120), (16, 18206230), (20, 14564984), (28, 10403560), (32, 9103115), (35, 8322848), (40, 7282492), (56, 5201780), (70, 4161424), (80, 3641246), (112, 2600890), (140, 2080712), (160, 1820623), (224, 1300445), (280, 1040356), (560, 520178), (1120, 260089)]