220199299940

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{947}}^1\times {\mathrm{23873}}^1$

素因数の和:25316

約数の個数: 48

約数和(自身を含む): 463876785792

約数和(自身を除く): 243677485852

約数列:

[1, 2, 4, 5, 10, 20, 487, 947, 974, 1894, 1948, 2435, 3788, 4735, 4870, 9470, 9740, 18940, 23873, 47746, 95492, 119365, 238730, 461189, 477460, 922378, 1844756, 2305945, 4611890, 9223780, 11626151, 22607731, 23252302, 45215462, 46504604, 58130755, 90430924, 113038655, 116261510, 226077310, 232523020, 452154620, 11009964997, 22019929994, 44039859988, 55049824985, 110099649970, 220199299940]

約数ペア:

[(1, 220199299940), (2, 110099649970), (4, 55049824985), (5, 44039859988), (10, 22019929994), (20, 11009964997), (487, 452154620), (947, 232523020), (974, 226077310), (1894, 116261510), (1948, 113038655), (2435, 90430924), (3788, 58130755), (4735, 46504604), (4870, 45215462), (9470, 23252302), (9740, 22607731), (18940, 11626151), (23873, 9223780), (47746, 4611890), (95492, 2305945), (119365, 1844756), (238730, 922378), (461189, 477460)]