4459780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1009}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 10689840

約数和(自身を除く): 6230060

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1009, 1105, 2018, 2210, 4036, 4420, 5045, 10090, 13117, 17153, 20180, 26234, 34306, 52468, 65585, 68612, 85765, 131170, 171530, 222989, 262340, 343060, 445978, 891956, 1114945, 2229890, 4459780]

約数ペア:

[(1, 4459780), (2, 2229890), (4, 1114945), (5, 891956), (10, 445978), (13, 343060), (17, 262340), (20, 222989), (26, 171530), (34, 131170), (52, 85765), (65, 68612), (68, 65585), (85, 52468), (130, 34306), (170, 26234), (221, 20180), (260, 17153), (340, 13117), (442, 10090), (884, 5045), (1009, 4420), (1105, 4036), (2018, 2210)]