488853890

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{359}}^1\times {\mathrm{397}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 1031616000

約数和(自身を除く): 542762110

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 359, 397, 490, 686, 718, 794, 1715, 1795, 1985, 2513, 2779, 3430, 3590, 3970, 5026, 5558, 12565, 13895, 17591, 19453, 25130, 27790, 35182, 38906, 87955, 97265, 123137, 136171, 142523, 175910, 194530, 246274, 272342, 285046, 615685, 680855, 712615, 997661, 1231370, 1361710, 1425230, 1995322, 4988305, 6983627, 9976610, 13967254, 34918135, 48885389, 69836270, 97770778, 244426945, 488853890]

約数ペア:

[(1, 488853890), (2, 244426945), (5, 97770778), (7, 69836270), (10, 48885389), (14, 34918135), (35, 13967254), (49, 9976610), (70, 6983627), (98, 4988305), (245, 1995322), (343, 1425230), (359, 1361710), (397, 1231370), (490, 997661), (686, 712615), (718, 680855), (794, 615685), (1715, 285046), (1795, 272342), (1985, 246274), (2513, 194530), (2779, 175910), (3430, 142523), (3590, 136171), (3970, 123137), (5026, 97265), (5558, 87955), (12565, 38906), (13895, 35182), (17591, 27790), (19453, 25130)]