210503020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:121

約数の個数: 216

約数和(自身を含む): 588809088

約数和(自身を除く): 378306068

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 41, 49, 52, 62, 65, 70, 82, 91, 98, 124, 130, 140, 155, 164, 169, 182, 196, 205, 217, 245, 260, 287, 310, 338, 364, 403, 410, 434, 455, 490, 533, 574, 620, 637, 676, 806, 820, 845, 868, 910, 980, 1066, 1085, 1148, 1183, 1271, 1274, 1435, 1519, 1612, 1690, 1820, 2009, 2015, 2132, 2170, 2366, 2542, 2548, 2665, 2821, 2870, 3038, 3185, 3380, 3731, 4018, 4030, 4340, 4732, 5084, 5239, 5330, 5642, 5740, 5915, 6076, 6355, 6370, 6929, 7462, 7595, 8036, 8060, 8281, 8897, 10045, 10478, 10660, 11284, 11830, 12710, 12740, 13858, 14105, 14924, 15190, 16523, 16562, 17794, 18655, 19747, 20090, 20956, 23660, 25420, 26117, 26195, 27716, 28210, 30380, 33046, 33124, 34645, 35588, 36673, 37310, 39494, 40180, 41405, 44485, 48503, 52234, 52390, 56420, 62279, 66092, 69290, 73346, 74620, 78988, 82615, 82810, 88970, 97006, 98735, 104468, 104780, 115661, 124558, 130585, 138580, 146692, 165230, 165620, 177940, 183365, 194012, 197470, 214799, 231322, 242515, 249116, 256711, 261170, 311395, 330460, 339521, 366730, 394940, 429598, 462644, 485030, 513422, 522340, 578305, 622790, 679042, 733460, 809627, 859196, 970060, 1026844, 1073995, 1156610, 1245580, 1283555, 1358084, 1503593, 1619254, 1697605, 2147990, 2313220, 2567110, 3007186, 3238508, 3395210, 4048135, 4295980, 5134220, 6014372, 6790420, 7517965, 8096270, 10525151, 15035930, 16192540, 21050302, 30071860, 42100604, 52625755, 105251510, 210503020]

約数ペア:

[(1, 210503020), (2, 105251510), (4, 52625755), (5, 42100604), (7, 30071860), (10, 21050302), (13, 16192540), (14, 15035930), (20, 10525151), (26, 8096270), (28, 7517965), (31, 6790420), (35, 6014372), (41, 5134220), (49, 4295980), (52, 4048135), (62, 3395210), (65, 3238508), (70, 3007186), (82, 2567110), (91, 2313220), (98, 2147990), (124, 1697605), (130, 1619254), (140, 1503593), (155, 1358084), (164, 1283555), (169, 1245580), (182, 1156610), (196, 1073995), (205, 1026844), (217, 970060), (245, 859196), (260, 809627), (287, 733460), (310, 679042), (338, 622790), (364, 578305), (403, 522340), (410, 513422), (434, 485030), (455, 462644), (490, 429598), (533, 394940), (574, 366730), (620, 339521), (637, 330460), (676, 311395), (806, 261170), (820, 256711), (845, 249116), (868, 242515), (910, 231322), (980, 214799), (1066, 197470), (1085, 194012), (1148, 183365), (1183, 177940), (1271, 165620), (1274, 165230), (1435, 146692), (1519, 138580), (1612, 130585), (1690, 124558), (1820, 115661), (2009, 104780), (2015, 104468), (2132, 98735), (2170, 97006), (2366, 88970), (2542, 82810), (2548, 82615), (2665, 78988), (2821, 74620), (2870, 73346), (3038, 69290), (3185, 66092), (3380, 62279), (3731, 56420), (4018, 52390), (4030, 52234), (4340, 48503), (4732, 44485), (5084, 41405), (5239, 40180), (5330, 39494), (5642, 37310), (5740, 36673), (5915, 35588), (6076, 34645), (6355, 33124), (6370, 33046), (6929, 30380), (7462, 28210), (7595, 27716), (8036, 26195), (8060, 26117), (8281, 25420), (8897, 23660), (10045, 20956), (10478, 20090), (10660, 19747), (11284, 18655), (11830, 17794), (12710, 16562), (12740, 16523), (13858, 15190), (14105, 14924)]