207878240

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:173

約数の個数: 144

約数和(自身を含む): 535746960

約数和(自身を除く): 327868720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 59, 61, 76, 80, 95, 118, 122, 152, 160, 190, 236, 244, 295, 304, 305, 361, 380, 472, 488, 590, 608, 610, 722, 760, 944, 976, 1121, 1159, 1180, 1220, 1444, 1520, 1805, 1888, 1952, 2242, 2318, 2360, 2440, 2888, 3040, 3599, 3610, 4484, 4636, 4720, 4880, 5605, 5776, 5795, 7198, 7220, 8968, 9272, 9440, 9760, 11210, 11552, 11590, 14396, 14440, 17936, 17995, 18544, 21299, 22021, 22420, 23180, 28792, 28880, 35872, 35990, 37088, 42598, 44042, 44840, 46360, 57584, 57760, 68381, 71980, 85196, 88084, 89680, 92720, 106495, 110105, 115168, 136762, 143960, 170392, 176168, 179360, 185440, 212990, 220210, 273524, 287920, 340784, 341905, 352336, 425980, 440420, 547048, 575840, 681568, 683810, 704672, 851960, 880840, 1094096, 1299239, 1367620, 1703920, 1761680, 2188192, 2598478, 2735240, 3407840, 3523360, 5196956, 5470480, 6496195, 10393912, 10940960, 12992390, 20787824, 25984780, 41575648, 51969560, 103939120, 207878240]

約数ペア:

[(1, 207878240), (2, 103939120), (4, 51969560), (5, 41575648), (8, 25984780), (10, 20787824), (16, 12992390), (19, 10940960), (20, 10393912), (32, 6496195), (38, 5470480), (40, 5196956), (59, 3523360), (61, 3407840), (76, 2735240), (80, 2598478), (95, 2188192), (118, 1761680), (122, 1703920), (152, 1367620), (160, 1299239), (190, 1094096), (236, 880840), (244, 851960), (295, 704672), (304, 683810), (305, 681568), (361, 575840), (380, 547048), (472, 440420), (488, 425980), (590, 352336), (608, 341905), (610, 340784), (722, 287920), (760, 273524), (944, 220210), (976, 212990), (1121, 185440), (1159, 179360), (1180, 176168), (1220, 170392), (1444, 143960), (1520, 136762), (1805, 115168), (1888, 110105), (1952, 106495), (2242, 92720), (2318, 89680), (2360, 88084), (2440, 85196), (2888, 71980), (3040, 68381), (3599, 57760), (3610, 57584), (4484, 46360), (4636, 44840), (4720, 44042), (4880, 42598), (5605, 37088), (5776, 35990), (5795, 35872), (7198, 28880), (7220, 28792), (8968, 23180), (9272, 22420), (9440, 22021), (9760, 21299), (11210, 18544), (11552, 17995), (11590, 17936), (14396, 14440)]