164756620

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:157

約数の個数: 120

約数和(自身を含む): 417864384

約数和(自身を除く): 253107764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 73, 94, 98, 140, 146, 188, 196, 235, 245, 292, 329, 343, 365, 470, 490, 511, 658, 686, 730, 940, 980, 1022, 1316, 1372, 1460, 1645, 1715, 2044, 2303, 2401, 2555, 3290, 3430, 3431, 3577, 4606, 4802, 5110, 6580, 6860, 6862, 7154, 9212, 9604, 10220, 11515, 12005, 13724, 14308, 16121, 17155, 17885, 23030, 24010, 24017, 25039, 32242, 34310, 35770, 46060, 48020, 48034, 50078, 64484, 68620, 71540, 80605, 96068, 100156, 112847, 120085, 125195, 161210, 168119, 175273, 225694, 240170, 250390, 322420, 336238, 350546, 451388, 480340, 500780, 564235, 672476, 701092, 840595, 876365, 1128470, 1176833, 1681190, 1752730, 2256940, 2353666, 3362380, 3505460, 4707332, 5884165, 8237831, 11768330, 16475662, 23536660, 32951324, 41189155, 82378310, 164756620]

約数ペア:

[(1, 164756620), (2, 82378310), (4, 41189155), (5, 32951324), (7, 23536660), (10, 16475662), (14, 11768330), (20, 8237831), (28, 5884165), (35, 4707332), (47, 3505460), (49, 3362380), (70, 2353666), (73, 2256940), (94, 1752730), (98, 1681190), (140, 1176833), (146, 1128470), (188, 876365), (196, 840595), (235, 701092), (245, 672476), (292, 564235), (329, 500780), (343, 480340), (365, 451388), (470, 350546), (490, 336238), (511, 322420), (658, 250390), (686, 240170), (730, 225694), (940, 175273), (980, 168119), (1022, 161210), (1316, 125195), (1372, 120085), (1460, 112847), (1645, 100156), (1715, 96068), (2044, 80605), (2303, 71540), (2401, 68620), (2555, 64484), (3290, 50078), (3430, 48034), (3431, 48020), (3577, 46060), (4606, 35770), (4802, 34310), (5110, 32242), (6580, 25039), (6860, 24017), (6862, 24010), (7154, 23030), (9212, 17885), (9604, 17155), (10220, 16121), (11515, 14308), (12005, 13724)]