403040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 1043280

約数和(自身を除く): 640240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 229, 352, 440, 458, 880, 916, 1145, 1760, 1832, 2290, 2519, 3664, 4580, 5038, 7328, 9160, 10076, 12595, 18320, 20152, 25190, 36640, 40304, 50380, 80608, 100760, 201520, 403040]

約数ペア:

[(1, 403040), (2, 201520), (4, 100760), (5, 80608), (8, 50380), (10, 40304), (11, 36640), (16, 25190), (20, 20152), (22, 18320), (32, 12595), (40, 10076), (44, 9160), (55, 7328), (80, 5038), (88, 4580), (110, 3664), (160, 2519), (176, 2290), (220, 1832), (229, 1760), (352, 1145), (440, 916), (458, 880)]