12798800

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{653}}^1$

素因数の和:685

約数の個数: 90

約数和(自身を含む): 35824158

約数和(自身を除く): 23025358

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 653, 700, 784, 980, 1225, 1306, 1400, 1960, 2450, 2612, 2800, 3265, 3920, 4571, 4900, 5224, 6530, 9142, 9800, 10448, 13060, 16325, 18284, 19600, 22855, 26120, 31997, 32650, 36568, 45710, 52240, 63994, 65300, 73136, 91420, 114275, 127988, 130600, 159985, 182840, 228550, 255976, 261200, 319970, 365680, 457100, 511952, 639940, 799925, 914200, 1279880, 1599850, 1828400, 2559760, 3199700, 6399400, 12798800]

約数ペア:

[(1, 12798800), (2, 6399400), (4, 3199700), (5, 2559760), (7, 1828400), (8, 1599850), (10, 1279880), (14, 914200), (16, 799925), (20, 639940), (25, 511952), (28, 457100), (35, 365680), (40, 319970), (49, 261200), (50, 255976), (56, 228550), (70, 182840), (80, 159985), (98, 130600), (100, 127988), (112, 114275), (140, 91420), (175, 73136), (196, 65300), (200, 63994), (245, 52240), (280, 45710), (350, 36568), (392, 32650), (400, 31997), (490, 26120), (560, 22855), (653, 19600), (700, 18284), (784, 16325), (980, 13060), (1225, 10448), (1306, 9800), (1400, 9142), (1960, 6530), (2450, 5224), (2612, 4900), (2800, 4571), (3265, 3920)]