140997500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{1151}}^1$

素因数の和:1189

約数の個数: 90

約数和(自身を含む): 358985088

約数和(自身を除く): 217987588

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, 350, 490, 500, 625, 700, 875, 980, 1151, 1225, 1250, 1750, 2302, 2450, 2500, 3500, 4375, 4604, 4900, 5755, 6125, 8057, 8750, 11510, 12250, 16114, 17500, 23020, 24500, 28775, 30625, 32228, 40285, 56399, 57550, 61250, 80570, 112798, 115100, 122500, 143875, 161140, 201425, 225596, 281995, 287750, 402850, 563990, 575500, 719375, 805700, 1007125, 1127980, 1409975, 1438750, 2014250, 2819950, 2877500, 4028500, 5035625, 5639900, 7049875, 10071250, 14099750, 20142500, 28199500, 35249375, 70498750, 140997500]

約数ペア:

[(1, 140997500), (2, 70498750), (4, 35249375), (5, 28199500), (7, 20142500), (10, 14099750), (14, 10071250), (20, 7049875), (25, 5639900), (28, 5035625), (35, 4028500), (49, 2877500), (50, 2819950), (70, 2014250), (98, 1438750), (100, 1409975), (125, 1127980), (140, 1007125), (175, 805700), (196, 719375), (245, 575500), (250, 563990), (350, 402850), (490, 287750), (500, 281995), (625, 225596), (700, 201425), (875, 161140), (980, 143875), (1151, 122500), (1225, 115100), (1250, 112798), (1750, 80570), (2302, 61250), (2450, 57550), (2500, 56399), (3500, 40285), (4375, 32228), (4604, 30625), (4900, 28775), (5755, 24500), (6125, 23020), (8057, 17500), (8750, 16114), (11510, 12250)]