8109500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{331}}^1$

素因数の和:364

約数の個数: 72

約数和(自身を含む): 20665008

約数和(自身を除く): 12555508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 331, 350, 490, 500, 662, 700, 875, 980, 1225, 1324, 1655, 1750, 2317, 2450, 3310, 3500, 4634, 4900, 6125, 6620, 8275, 9268, 11585, 12250, 16219, 16550, 23170, 24500, 32438, 33100, 41375, 46340, 57925, 64876, 81095, 82750, 115850, 162190, 165500, 231700, 289625, 324380, 405475, 579250, 810950, 1158500, 1621900, 2027375, 4054750, 8109500]

約数ペア:

[(1, 8109500), (2, 4054750), (4, 2027375), (5, 1621900), (7, 1158500), (10, 810950), (14, 579250), (20, 405475), (25, 324380), (28, 289625), (35, 231700), (49, 165500), (50, 162190), (70, 115850), (98, 82750), (100, 81095), (125, 64876), (140, 57925), (175, 46340), (196, 41375), (245, 33100), (250, 32438), (331, 24500), (350, 23170), (490, 16550), (500, 16219), (662, 12250), (700, 11585), (875, 9268), (980, 8275), (1225, 6620), (1324, 6125), (1655, 4900), (1750, 4634), (2317, 3500), (2450, 3310)]