491316140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{501343}}^1$

素因数の和:501366

約数の個数: 36

約数和(自身を含む): 1200217536

約数和(自身を除く): 708901396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 501343, 1002686, 2005372, 2506715, 3509401, 5013430, 7018802, 10026860, 14037604, 17547005, 24565807, 35094010, 49131614, 70188020, 98263228, 122829035, 245658070, 491316140]

約数ペア:

[(1, 491316140), (2, 245658070), (4, 122829035), (5, 98263228), (7, 70188020), (10, 49131614), (14, 35094010), (20, 24565807), (28, 17547005), (35, 14037604), (49, 10026860), (70, 7018802), (98, 5013430), (140, 3509401), (196, 2506715), (245, 2005372), (490, 1002686), (980, 501343)]