81888800

素因数分解:

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

素因数の和:2123

約数の個数: 108

約数和(自身を含む): 232660890

約数和(自身を除く): 150772090

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 350, 392, 400, 490, 560, 700, 784, 800, 980, 1120, 1225, 1400, 1568, 1960, 2089, 2450, 2800, 3920, 4178, 4900, 5600, 7840, 8356, 9800, 10445, 14623, 16712, 19600, 20890, 29246, 33424, 39200, 41780, 52225, 58492, 66848, 73115, 83560, 102361, 104450, 116984, 146230, 167120, 204722, 208900, 233968, 292460, 334240, 365575, 409444, 417800, 467936, 511805, 584920, 731150, 818888, 835600, 1023610, 1169840, 1462300, 1637776, 1671200, 2047220, 2339680, 2559025, 2924600, 3275552, 4094440, 5118050, 5849200, 8188880, 10236100, 11698400, 16377760, 20472200, 40944400, 81888800]

約数ペア:

[(1, 81888800), (2, 40944400), (4, 20472200), (5, 16377760), (7, 11698400), (8, 10236100), (10, 8188880), (14, 5849200), (16, 5118050), (20, 4094440), (25, 3275552), (28, 2924600), (32, 2559025), (35, 2339680), (40, 2047220), (49, 1671200), (50, 1637776), (56, 1462300), (70, 1169840), (80, 1023610), (98, 835600), (100, 818888), (112, 731150), (140, 584920), (160, 511805), (175, 467936), (196, 417800), (200, 409444), (224, 365575), (245, 334240), (280, 292460), (350, 233968), (392, 208900), (400, 204722), (490, 167120), (560, 146230), (700, 116984), (784, 104450), (800, 102361), (980, 83560), (1120, 73115), (1225, 66848), (1400, 58492), (1568, 52225), (1960, 41780), (2089, 39200), (2450, 33424), (2800, 29246), (3920, 20890), (4178, 19600), (4900, 16712), (5600, 14623), (7840, 10445), (8356, 9800)]