1394540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1423}}^1$

素因数の和:1446

約数の個数: 36

約数和(自身を含む): 3409056

約数和(自身を除く): 2014516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1423, 2846, 5692, 7115, 9961, 14230, 19922, 28460, 39844, 49805, 69727, 99610, 139454, 199220, 278908, 348635, 697270, 1394540]

約数ペア:

[(1, 1394540), (2, 697270), (4, 348635), (5, 278908), (7, 199220), (10, 139454), (14, 99610), (20, 69727), (28, 49805), (35, 39844), (49, 28460), (70, 19922), (98, 14230), (140, 9961), (196, 7115), (245, 5692), (490, 2846), (980, 1423)]