61993820

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{1291}}^1$

素因数の和:1328

約数の個数: 60

約数和(自身を含む): 151993464

約数和(自身を除く): 89999644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1291, 1372, 1715, 2401, 2582, 3430, 4802, 5164, 6455, 6860, 9037, 9604, 12005, 12910, 18074, 24010, 25820, 36148, 45185, 48020, 63259, 90370, 126518, 180740, 253036, 316295, 442813, 632590, 885626, 1265180, 1771252, 2214065, 3099691, 4428130, 6199382, 8856260, 12398764, 15498455, 30996910, 61993820]

約数ペア:

[(1, 61993820), (2, 30996910), (4, 15498455), (5, 12398764), (7, 8856260), (10, 6199382), (14, 4428130), (20, 3099691), (28, 2214065), (35, 1771252), (49, 1265180), (70, 885626), (98, 632590), (140, 442813), (196, 316295), (245, 253036), (343, 180740), (490, 126518), (686, 90370), (980, 63259), (1291, 48020), (1372, 45185), (1715, 36148), (2401, 25820), (2582, 24010), (3430, 18074), (4802, 12910), (5164, 12005), (6455, 9604), (6860, 9037)]