690336272

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 120

約数和(自身を含む): 1551463200

約数和(自身を除く): 861126928

約数列:

[1, 2, 4, 8, 16, 17, 19, 31, 34, 38, 62, 68, 76, 124, 136, 139, 152, 248, 272, 278, 304, 323, 496, 527, 556, 589, 646, 961, 1054, 1112, 1178, 1292, 1922, 2108, 2224, 2356, 2363, 2584, 2641, 3844, 4216, 4309, 4712, 4726, 5168, 5282, 7688, 8432, 8618, 9424, 9452, 10013, 10564, 15376, 16337, 17236, 18259, 18904, 20026, 21128, 32674, 34472, 36518, 37808, 40052, 42256, 44897, 65348, 68944, 73036, 73253, 80104, 81871, 89794, 130696, 133579, 146072, 146506, 160208, 163742, 179588, 261392, 267158, 292144, 293012, 310403, 327484, 359176, 534316, 586024, 620806, 654968, 718352, 1068632, 1172048, 1241612, 1309936, 1391807, 2137264, 2270843, 2483224, 2538001, 2783614, 4541686, 4966448, 5076002, 5567228, 9083372, 10152004, 11134456, 18166744, 20304008, 22268912, 36333488, 40608016, 43146017, 86292034, 172584068, 345168136, 690336272]

約数ペア:

[(1, 690336272), (2, 345168136), (4, 172584068), (8, 86292034), (16, 43146017), (17, 40608016), (19, 36333488), (31, 22268912), (34, 20304008), (38, 18166744), (62, 11134456), (68, 10152004), (76, 9083372), (124, 5567228), (136, 5076002), (139, 4966448), (152, 4541686), (248, 2783614), (272, 2538001), (278, 2483224), (304, 2270843), (323, 2137264), (496, 1391807), (527, 1309936), (556, 1241612), (589, 1172048), (646, 1068632), (961, 718352), (1054, 654968), (1112, 620806), (1178, 586024), (1292, 534316), (1922, 359176), (2108, 327484), (2224, 310403), (2356, 293012), (2363, 292144), (2584, 267158), (2641, 261392), (3844, 179588), (4216, 163742), (4309, 160208), (4712, 146506), (4726, 146072), (5168, 133579), (5282, 130696), (7688, 89794), (8432, 81871), (8618, 80104), (9424, 73253), (9452, 73036), (10013, 68944), (10564, 65348), (15376, 44897), (16337, 42256), (17236, 40052), (18259, 37808), (18904, 36518), (20026, 34472), (21128, 32674)]