20171731510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1031}}^1\times {\mathrm{39929}}^1$

素因数の和:40981

約数の個数: 48

約数和(自身を含む): 42279161760

約数和(自身を除く): 22107430250

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1031, 2062, 5155, 7217, 10310, 14434, 36085, 39929, 50519, 72170, 79858, 101038, 199645, 252595, 279503, 399290, 505190, 559006, 1397515, 1956521, 2795030, 3913042, 9782605, 19565210, 41166799, 82333598, 205833995, 288167593, 411667990, 576335186, 1440837965, 2017173151, 2881675930, 4034346302, 10085865755, 20171731510]

約数ペア:

[(1, 20171731510), (2, 10085865755), (5, 4034346302), (7, 2881675930), (10, 2017173151), (14, 1440837965), (35, 576335186), (49, 411667990), (70, 288167593), (98, 205833995), (245, 82333598), (490, 41166799), (1031, 19565210), (2062, 9782605), (5155, 3913042), (7217, 2795030), (10310, 1956521), (14434, 1397515), (36085, 559006), (39929, 505190), (50519, 399290), (72170, 279503), (79858, 252595), (101038, 199645)]