200204788

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 430920000

約数和(自身を除く): 230715212

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 89, 92, 98, 161, 178, 196, 322, 356, 499, 623, 644, 998, 1127, 1246, 1996, 2047, 2254, 2492, 3493, 4094, 4361, 4508, 6986, 8188, 8722, 11477, 13972, 14329, 17444, 22954, 24451, 28658, 44411, 45908, 48902, 57316, 80339, 88822, 97804, 100303, 160678, 177644, 200606, 310877, 321356, 401212, 562373, 621754, 1021453, 1124746, 1243508, 2042906, 2176139, 2249492, 4085812, 4352278, 7150171, 8704556, 14300342, 28600684, 50051197, 100102394, 200204788]

約数ペア:

[(1, 200204788), (2, 100102394), (4, 50051197), (7, 28600684), (14, 14300342), (23, 8704556), (28, 7150171), (46, 4352278), (49, 4085812), (89, 2249492), (92, 2176139), (98, 2042906), (161, 1243508), (178, 1124746), (196, 1021453), (322, 621754), (356, 562373), (499, 401212), (623, 321356), (644, 310877), (998, 200606), (1127, 177644), (1246, 160678), (1996, 100303), (2047, 97804), (2254, 88822), (2492, 80339), (3493, 57316), (4094, 48902), (4361, 45908), (4508, 44411), (6986, 28658), (8188, 24451), (8722, 22954), (11477, 17444), (13972, 14329)]