209870010

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 192

約数和(自身を含む): 667180800

約数和(自身を除く): 457310790

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 89, 90, 95, 105, 114, 126, 133, 171, 178, 190, 197, 210, 266, 267, 285, 315, 342, 394, 399, 445, 534, 570, 591, 623, 630, 665, 798, 801, 855, 890, 985, 1182, 1197, 1246, 1330, 1335, 1379, 1602, 1691, 1710, 1773, 1869, 1970, 1995, 2394, 2670, 2758, 2955, 3115, 3382, 3546, 3738, 3743, 3990, 4005, 4137, 5073, 5607, 5910, 5985, 6230, 6895, 7486, 8010, 8274, 8455, 8865, 9345, 10146, 11214, 11229, 11837, 11970, 12411, 13790, 15219, 16910, 17533, 17730, 18690, 18715, 20685, 22458, 23674, 24822, 25365, 26201, 28035, 30438, 33687, 35066, 35511, 37430, 41370, 50730, 52402, 52599, 56070, 56145, 59185, 62055, 67374, 71022, 76095, 78603, 87665, 105198, 106533, 112290, 118370, 122731, 124110, 131005, 152190, 157206, 157797, 168435, 175330, 177555, 213066, 235809, 245462, 262010, 262995, 315594, 333127, 336870, 355110, 368193, 393015, 471618, 525990, 532665, 613655, 666254, 736386, 786030, 788985, 999381, 1065330, 1104579, 1179045, 1227310, 1577970, 1665635, 1840965, 1998762, 2209158, 2331889, 2358090, 2998143, 3331270, 3681930, 4663778, 4996905, 5522895, 5996286, 6995667, 9993810, 11045790, 11659445, 13991334, 14990715, 20987001, 23318890, 29981430, 34978335, 41974002, 69956670, 104935005, 209870010]

約数ペア:

[(1, 209870010), (2, 104935005), (3, 69956670), (5, 41974002), (6, 34978335), (7, 29981430), (9, 23318890), (10, 20987001), (14, 14990715), (15, 13991334), (18, 11659445), (19, 11045790), (21, 9993810), (30, 6995667), (35, 5996286), (38, 5522895), (42, 4996905), (45, 4663778), (57, 3681930), (63, 3331270), (70, 2998143), (89, 2358090), (90, 2331889), (95, 2209158), (105, 1998762), (114, 1840965), (126, 1665635), (133, 1577970), (171, 1227310), (178, 1179045), (190, 1104579), (197, 1065330), (210, 999381), (266, 788985), (267, 786030), (285, 736386), (315, 666254), (342, 613655), (394, 532665), (399, 525990), (445, 471618), (534, 393015), (570, 368193), (591, 355110), (623, 336870), (630, 333127), (665, 315594), (798, 262995), (801, 262010), (855, 245462), (890, 235809), (985, 213066), (1182, 177555), (1197, 175330), (1246, 168435), (1330, 157797), (1335, 157206), (1379, 152190), (1602, 131005), (1691, 124110), (1710, 122731), (1773, 118370), (1869, 112290), (1970, 106533), (1995, 105198), (2394, 87665), (2670, 78603), (2758, 76095), (2955, 71022), (3115, 67374), (3382, 62055), (3546, 59185), (3738, 56145), (3743, 56070), (3990, 52599), (4005, 52402), (4137, 50730), (5073, 41370), (5607, 37430), (5910, 35511), (5985, 35066), (6230, 33687), (6895, 30438), (7486, 28035), (8010, 26201), (8274, 25365), (8455, 24822), (8865, 23674), (9345, 22458), (10146, 20685), (11214, 18715), (11229, 18690), (11837, 17730), (11970, 17533), (12411, 16910), (13790, 15219)]