408978990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1627}}^1$

素因数の和:1676

約数の個数: 192

約数和(自身を含む): 1336262400

約数和(自身を除く): 927283410

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, 90, 95, 98, 105, 114, 126, 133, 135, 147, 171, 189, 190, 210, 245, 266, 270, 285, 294, 315, 342, 378, 399, 441, 490, 513, 570, 630, 665, 735, 798, 855, 882, 931, 945, 1026, 1197, 1323, 1330, 1470, 1627, 1710, 1862, 1890, 1995, 2205, 2394, 2565, 2646, 2793, 3254, 3591, 3990, 4410, 4655, 4881, 5130, 5586, 5985, 6615, 7182, 8135, 8379, 9310, 9762, 11389, 11970, 13230, 13965, 14643, 16270, 16758, 17955, 22778, 24405, 25137, 27930, 29286, 30913, 34167, 35910, 41895, 43929, 48810, 50274, 56945, 61826, 68334, 73215, 79723, 83790, 87858, 92739, 102501, 113890, 125685, 146430, 154565, 159446, 170835, 185478, 205002, 216391, 219645, 239169, 251370, 278217, 307503, 309130, 341670, 398615, 432782, 439290, 463695, 478338, 512505, 556434, 615006, 649173, 717507, 797230, 834651, 927390, 1025010, 1081955, 1195845, 1298346, 1391085, 1435014, 1514737, 1537515, 1669302, 1947519, 2152521, 2163910, 2391690, 2782170, 3029474, 3075030, 3245865, 3587535, 3895038, 4173255, 4305042, 4544211, 5842557, 6491730, 7175070, 7573685, 8346510, 9088422, 9737595, 10762605, 11685114, 13632633, 15147370, 19475190, 21525210, 22721055, 27265266, 29212785, 40897899, 45442110, 58425570, 68163165, 81795798, 136326330, 204489495, 408978990]

約数ペア:

[(1, 408978990), (2, 204489495), (3, 136326330), (5, 81795798), (6, 68163165), (7, 58425570), (9, 45442110), (10, 40897899), (14, 29212785), (15, 27265266), (18, 22721055), (19, 21525210), (21, 19475190), (27, 15147370), (30, 13632633), (35, 11685114), (38, 10762605), (42, 9737595), (45, 9088422), (49, 8346510), (54, 7573685), (57, 7175070), (63, 6491730), (70, 5842557), (90, 4544211), (95, 4305042), (98, 4173255), (105, 3895038), (114, 3587535), (126, 3245865), (133, 3075030), (135, 3029474), (147, 2782170), (171, 2391690), (189, 2163910), (190, 2152521), (210, 1947519), (245, 1669302), (266, 1537515), (270, 1514737), (285, 1435014), (294, 1391085), (315, 1298346), (342, 1195845), (378, 1081955), (399, 1025010), (441, 927390), (490, 834651), (513, 797230), (570, 717507), (630, 649173), (665, 615006), (735, 556434), (798, 512505), (855, 478338), (882, 463695), (931, 439290), (945, 432782), (1026, 398615), (1197, 341670), (1323, 309130), (1330, 307503), (1470, 278217), (1627, 251370), (1710, 239169), (1862, 219645), (1890, 216391), (1995, 205002), (2205, 185478), (2394, 170835), (2565, 159446), (2646, 154565), (2793, 146430), (3254, 125685), (3591, 113890), (3990, 102501), (4410, 92739), (4655, 87858), (4881, 83790), (5130, 79723), (5586, 73215), (5985, 68334), (6615, 61826), (7182, 56945), (8135, 50274), (8379, 48810), (9310, 43929), (9762, 41895), (11389, 35910), (11970, 34167), (13230, 30913), (13965, 29286), (14643, 27930), (16270, 25137), (16758, 24405), (17955, 22778)]