400921812

素因数分解:

$2^2\times 3^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1277}}^1$

素因数の和:1332

約数の個数: 144

約数和(自身を含む): 1172283840

約数和(自身を除く): 771362028

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 27, 34, 36, 38, 51, 54, 57, 68, 76, 81, 102, 108, 114, 153, 162, 171, 204, 228, 243, 306, 323, 324, 342, 459, 486, 513, 612, 646, 684, 918, 969, 972, 1026, 1277, 1292, 1377, 1539, 1836, 1938, 2052, 2554, 2754, 2907, 3078, 3831, 3876, 4131, 4617, 5108, 5508, 5814, 6156, 7662, 8262, 8721, 9234, 11493, 11628, 15324, 16524, 17442, 18468, 21709, 22986, 24263, 26163, 34479, 34884, 43418, 45972, 48526, 52326, 65127, 68958, 72789, 78489, 86836, 97052, 103437, 104652, 130254, 137916, 145578, 156978, 195381, 206874, 218367, 260508, 291156, 310311, 313956, 390762, 412471, 413748, 436734, 586143, 620622, 655101, 781524, 824942, 873468, 1172286, 1237413, 1241244, 1310202, 1649884, 1758429, 1965303, 2344572, 2474826, 2620404, 3516858, 3712239, 3930606, 4949652, 5275287, 5895909, 7033716, 7424478, 7861212, 10550574, 11136717, 11791818, 14848956, 21101148, 22273434, 23583636, 33410151, 44546868, 66820302, 100230453, 133640604, 200460906, 400921812]

約数ペア:

[(1, 400921812), (2, 200460906), (3, 133640604), (4, 100230453), (6, 66820302), (9, 44546868), (12, 33410151), (17, 23583636), (18, 22273434), (19, 21101148), (27, 14848956), (34, 11791818), (36, 11136717), (38, 10550574), (51, 7861212), (54, 7424478), (57, 7033716), (68, 5895909), (76, 5275287), (81, 4949652), (102, 3930606), (108, 3712239), (114, 3516858), (153, 2620404), (162, 2474826), (171, 2344572), (204, 1965303), (228, 1758429), (243, 1649884), (306, 1310202), (323, 1241244), (324, 1237413), (342, 1172286), (459, 873468), (486, 824942), (513, 781524), (612, 655101), (646, 620622), (684, 586143), (918, 436734), (969, 413748), (972, 412471), (1026, 390762), (1277, 313956), (1292, 310311), (1377, 291156), (1539, 260508), (1836, 218367), (1938, 206874), (2052, 195381), (2554, 156978), (2754, 145578), (2907, 137916), (3078, 130254), (3831, 104652), (3876, 103437), (4131, 97052), (4617, 86836), (5108, 78489), (5508, 72789), (5814, 68958), (6156, 65127), (7662, 52326), (8262, 48526), (8721, 45972), (9234, 43418), (11493, 34884), (11628, 34479), (15324, 26163), (16524, 24263), (17442, 22986), (18468, 21709)]