199911040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{44623}}^1$

素因数の和:44649

約数の個数: 64

約数和(自身を含む): 546197760

約数和(自身を除く): 346286720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 44623, 89246, 178492, 223115, 312361, 356984, 446230, 624722, 713968, 892460, 1249444, 1427936, 1561805, 1784920, 2498888, 2855872, 3123610, 3569840, 4997776, 5711744, 6247220, 7139680, 9995552, 12494440, 14279360, 19991104, 24988880, 28558720, 39982208, 49977760, 99955520, 199911040]

約数ペア:

[(1, 199911040), (2, 99955520), (4, 49977760), (5, 39982208), (7, 28558720), (8, 24988880), (10, 19991104), (14, 14279360), (16, 12494440), (20, 9995552), (28, 7139680), (32, 6247220), (35, 5711744), (40, 4997776), (56, 3569840), (64, 3123610), (70, 2855872), (80, 2498888), (112, 1784920), (128, 1561805), (140, 1427936), (160, 1249444), (224, 892460), (280, 713968), (320, 624722), (448, 446230), (560, 356984), (640, 312361), (896, 223115), (1120, 178492), (2240, 89246), (4480, 44623)]