308430990

素因数分解:

$2^1\times 3^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:461

約数の個数: 240

約数和(自身を含む): 1017997200

約数和(自身を除く): 709566210

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 49, 54, 57, 63, 70, 81, 90, 95, 98, 105, 114, 126, 133, 135, 147, 162, 171, 189, 190, 210, 245, 266, 270, 285, 294, 315, 342, 378, 399, 405, 409, 441, 490, 513, 567, 570, 630, 665, 735, 798, 810, 818, 855, 882, 931, 945, 1026, 1134, 1197, 1227, 1323, 1330, 1470, 1539, 1710, 1862, 1890, 1995, 2045, 2205, 2394, 2454, 2565, 2646, 2793, 2835, 2863, 3078, 3591, 3681, 3969, 3990, 4090, 4410, 4655, 5130, 5586, 5670, 5726, 5985, 6135, 6615, 7182, 7362, 7695, 7771, 7938, 8379, 8589, 9310, 10773, 11043, 11970, 12270, 13230, 13965, 14315, 15390, 15542, 16758, 17178, 17955, 18405, 19845, 20041, 21546, 22086, 23313, 25137, 25767, 27930, 28630, 33129, 35910, 36810, 38855, 39690, 40082, 41895, 42945, 46626, 50274, 51534, 53865, 54397, 55215, 60123, 66258, 69939, 75411, 77301, 77710, 83790, 85890, 100205, 107730, 108794, 110430, 116565, 120246, 125685, 128835, 139878, 150822, 154602, 163191, 165645, 180369, 200410, 209817, 231903, 233130, 251370, 257670, 271985, 300615, 326382, 331290, 349695, 360738, 377055, 380779, 386505, 419634, 463806, 489573, 541107, 543970, 601230, 629451, 699390, 754110, 761558, 773010, 815955, 901845, 979146, 1049085, 1082214, 1142337, 1159515, 1258902, 1468719, 1623321, 1631910, 1803690, 1903895, 2098170, 2284674, 2319030, 2447865, 2705535, 2937438, 3147255, 3246642, 3427011, 3807790, 4406157, 4895730, 5411070, 5711685, 6294510, 6854022, 7343595, 8116605, 8812314, 10281033, 11423370, 14687190, 16233210, 17135055, 20562066, 22030785, 30843099, 34270110, 44061570, 51405165, 61686198, 102810330, 154215495, 308430990]

約数ペア:

[(1, 308430990), (2, 154215495), (3, 102810330), (5, 61686198), (6, 51405165), (7, 44061570), (9, 34270110), (10, 30843099), (14, 22030785), (15, 20562066), (18, 17135055), (19, 16233210), (21, 14687190), (27, 11423370), (30, 10281033), (35, 8812314), (38, 8116605), (42, 7343595), (45, 6854022), (49, 6294510), (54, 5711685), (57, 5411070), (63, 4895730), (70, 4406157), (81, 3807790), (90, 3427011), (95, 3246642), (98, 3147255), (105, 2937438), (114, 2705535), (126, 2447865), (133, 2319030), (135, 2284674), (147, 2098170), (162, 1903895), (171, 1803690), (189, 1631910), (190, 1623321), (210, 1468719), (245, 1258902), (266, 1159515), (270, 1142337), (285, 1082214), (294, 1049085), (315, 979146), (342, 901845), (378, 815955), (399, 773010), (405, 761558), (409, 754110), (441, 699390), (490, 629451), (513, 601230), (567, 543970), (570, 541107), (630, 489573), (665, 463806), (735, 419634), (798, 386505), (810, 380779), (818, 377055), (855, 360738), (882, 349695), (931, 331290), (945, 326382), (1026, 300615), (1134, 271985), (1197, 257670), (1227, 251370), (1323, 233130), (1330, 231903), (1470, 209817), (1539, 200410), (1710, 180369), (1862, 165645), (1890, 163191), (1995, 154602), (2045, 150822), (2205, 139878), (2394, 128835), (2454, 125685), (2565, 120246), (2646, 116565), (2793, 110430), (2835, 108794), (2863, 107730), (3078, 100205), (3591, 85890), (3681, 83790), (3969, 77710), (3990, 77301), (4090, 75411), (4410, 69939), (4655, 66258), (5130, 60123), (5586, 55215), (5670, 54397), (5726, 53865), (5985, 51534), (6135, 50274), (6615, 46626), (7182, 42945), (7362, 41895), (7695, 40082), (7771, 39690), (7938, 38855), (8379, 36810), (8589, 35910), (9310, 33129), (10773, 28630), (11043, 27930), (11970, 25767), (12270, 25137), (13230, 23313), (13965, 22086), (14315, 21546), (15390, 20041), (15542, 19845), (16758, 18405), (17178, 17955)]