40944400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{2089}}^1$

素因数の和:2121

約数の個数: 90

約数和(自身を含む): 114483930

約数和(自身を除く): 73539530

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, 700, 784, 980, 1225, 1400, 1960, 2089, 2450, 2800, 3920, 4178, 4900, 8356, 9800, 10445, 14623, 16712, 19600, 20890, 29246, 33424, 41780, 52225, 58492, 73115, 83560, 102361, 104450, 116984, 146230, 167120, 204722, 208900, 233968, 292460, 365575, 409444, 417800, 511805, 584920, 731150, 818888, 835600, 1023610, 1169840, 1462300, 1637776, 2047220, 2559025, 2924600, 4094440, 5118050, 5849200, 8188880, 10236100, 20472200, 40944400]

約数ペア:

[(1, 40944400), (2, 20472200), (4, 10236100), (5, 8188880), (7, 5849200), (8, 5118050), (10, 4094440), (14, 2924600), (16, 2559025), (20, 2047220), (25, 1637776), (28, 1462300), (35, 1169840), (40, 1023610), (49, 835600), (50, 818888), (56, 731150), (70, 584920), (80, 511805), (98, 417800), (100, 409444), (112, 365575), (140, 292460), (175, 233968), (196, 208900), (200, 204722), (245, 167120), (280, 146230), (350, 116984), (392, 104450), (400, 102361), (490, 83560), (560, 73115), (700, 58492), (784, 52225), (980, 41780), (1225, 33424), (1400, 29246), (1960, 20890), (2089, 19600), (2450, 16712), (2800, 14623), (3920, 10445), (4178, 9800), (4900, 8356)]