81242000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{829}}^1$

素因数の和:866

約数の個数: 120

約数和(自身を含む): 228791160

約数和(自身を除く): 147549160

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, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 400, 490, 500, 560, 700, 784, 829, 875, 980, 1000, 1225, 1400, 1658, 1750, 1960, 2000, 2450, 2800, 3316, 3500, 3920, 4145, 4900, 5803, 6125, 6632, 7000, 8290, 9800, 11606, 12250, 13264, 14000, 16580, 19600, 20725, 23212, 24500, 29015, 33160, 40621, 41450, 46424, 49000, 58030, 66320, 81242, 82900, 92848, 98000, 103625, 116060, 145075, 162484, 165800, 203105, 207250, 232120, 290150, 324968, 331600, 406210, 414500, 464240, 580300, 649936, 725375, 812420, 829000, 1015525, 1160600, 1450750, 1624840, 1658000, 2031050, 2321200, 2901500, 3249680, 4062100, 5077625, 5803000, 8124200, 10155250, 11606000, 16248400, 20310500, 40621000, 81242000]

約数ペア:

[(1, 81242000), (2, 40621000), (4, 20310500), (5, 16248400), (7, 11606000), (8, 10155250), (10, 8124200), (14, 5803000), (16, 5077625), (20, 4062100), (25, 3249680), (28, 2901500), (35, 2321200), (40, 2031050), (49, 1658000), (50, 1624840), (56, 1450750), (70, 1160600), (80, 1015525), (98, 829000), (100, 812420), (112, 725375), (125, 649936), (140, 580300), (175, 464240), (196, 414500), (200, 406210), (245, 331600), (250, 324968), (280, 290150), (350, 232120), (392, 207250), (400, 203105), (490, 165800), (500, 162484), (560, 145075), (700, 116060), (784, 103625), (829, 98000), (875, 92848), (980, 82900), (1000, 81242), (1225, 66320), (1400, 58030), (1658, 49000), (1750, 46424), (1960, 41450), (2000, 40621), (2450, 33160), (2800, 29015), (3316, 24500), (3500, 23212), (3920, 20725), (4145, 19600), (4900, 16580), (5803, 14000), (6125, 13264), (6632, 12250), (7000, 11606), (8290, 9800)]