490697228

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{883}}^1$

素因数の和:1206

約数の個数: 48

約数和(自身を含む): 998000640

約数和(自身を除く): 507303412

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 223, 356, 446, 623, 883, 892, 1246, 1561, 1766, 2492, 3122, 3532, 6181, 6244, 12362, 19847, 24724, 39694, 78587, 79388, 138929, 157174, 196909, 277858, 314348, 393818, 550109, 555716, 787636, 1100218, 1378363, 2200436, 2756726, 5513452, 17524901, 35049802, 70099604, 122674307, 245348614, 490697228]

約数ペア:

[(1, 490697228), (2, 245348614), (4, 122674307), (7, 70099604), (14, 35049802), (28, 17524901), (89, 5513452), (178, 2756726), (223, 2200436), (356, 1378363), (446, 1100218), (623, 787636), (883, 555716), (892, 550109), (1246, 393818), (1561, 314348), (1766, 277858), (2492, 196909), (3122, 157174), (3532, 138929), (6181, 79388), (6244, 78587), (12362, 39694), (19847, 24724)]