178206140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:196

約数の個数: 144

約数和(自身を含む): 459188352

約数和(自身を除く): 280982212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 53, 70, 73, 94, 98, 106, 140, 146, 188, 196, 212, 235, 245, 265, 292, 329, 365, 371, 470, 490, 511, 530, 658, 730, 742, 940, 980, 1022, 1060, 1316, 1460, 1484, 1645, 1855, 2044, 2303, 2491, 2555, 2597, 3290, 3431, 3577, 3710, 3869, 4606, 4982, 5110, 5194, 6580, 6862, 7154, 7420, 7738, 9212, 9964, 10220, 10388, 11515, 12455, 12985, 13724, 14308, 15476, 17155, 17437, 17885, 19345, 23030, 24017, 24910, 25970, 27083, 34310, 34874, 35770, 38690, 46060, 48034, 49820, 51940, 54166, 68620, 69748, 71540, 77380, 87185, 96068, 108332, 120085, 122059, 135415, 168119, 174370, 181843, 189581, 240170, 244118, 270830, 336238, 348740, 363686, 379162, 480340, 488236, 541660, 610295, 672476, 727372, 758324, 840595, 909215, 947905, 1220590, 1272901, 1681190, 1818430, 1895810, 2441180, 2545802, 3362380, 3636860, 3791620, 5091604, 6364505, 8910307, 12729010, 17820614, 25458020, 35641228, 44551535, 89103070, 178206140]

約数ペア:

[(1, 178206140), (2, 89103070), (4, 44551535), (5, 35641228), (7, 25458020), (10, 17820614), (14, 12729010), (20, 8910307), (28, 6364505), (35, 5091604), (47, 3791620), (49, 3636860), (53, 3362380), (70, 2545802), (73, 2441180), (94, 1895810), (98, 1818430), (106, 1681190), (140, 1272901), (146, 1220590), (188, 947905), (196, 909215), (212, 840595), (235, 758324), (245, 727372), (265, 672476), (292, 610295), (329, 541660), (365, 488236), (371, 480340), (470, 379162), (490, 363686), (511, 348740), (530, 336238), (658, 270830), (730, 244118), (742, 240170), (940, 189581), (980, 181843), (1022, 174370), (1060, 168119), (1316, 135415), (1460, 122059), (1484, 120085), (1645, 108332), (1855, 96068), (2044, 87185), (2303, 77380), (2491, 71540), (2555, 69748), (2597, 68620), (3290, 54166), (3431, 51940), (3577, 49820), (3710, 48034), (3869, 46060), (4606, 38690), (4982, 35770), (5110, 34874), (5194, 34310), (6580, 27083), (6862, 25970), (7154, 24910), (7420, 24017), (7738, 23030), (9212, 19345), (9964, 17885), (10220, 17437), (10388, 17155), (11515, 15476), (12455, 14308), (12985, 13724)]