1999098864

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{449}}^1\times {\mathrm{631}}^1$

素因数の和:1108

約数の個数: 180

約数和(自身を含む): 6532952400

約数和(自身を除く): 4533853536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 449, 504, 588, 631, 784, 882, 898, 1008, 1176, 1262, 1347, 1764, 1796, 1893, 2352, 2524, 2694, 3143, 3528, 3592, 3786, 4041, 4417, 5048, 5388, 5679, 6286, 7056, 7184, 7572, 8082, 8834, 9429, 10096, 10776, 11358, 12572, 13251, 15144, 16164, 17668, 18858, 21552, 22001, 22716, 25144, 26502, 28287, 30288, 30919, 32328, 35336, 37716, 39753, 44002, 45432, 50288, 53004, 56574, 61838, 64656, 66003, 70672, 75432, 79506, 88004, 90864, 92757, 106008, 113148, 123676, 132006, 150864, 159012, 176008, 185514, 198009, 212016, 226296, 247352, 264012, 278271, 283319, 318024, 352016, 371028, 396018, 452592, 494704, 528024, 556542, 566638, 636048, 742056, 792036, 849957, 1056048, 1113084, 1133276, 1484112, 1584072, 1699914, 1983233, 2226168, 2266552, 2549871, 3168144, 3399828, 3966466, 4452336, 4533104, 5099742, 5949699, 6799656, 7932932, 10199484, 11899398, 13599312, 13882631, 15865864, 17849097, 20398968, 23798796, 27765262, 31731728, 35698194, 40797936, 41647893, 47597592, 55530524, 71396388, 83295786, 95195184, 111061048, 124943679, 142792776, 166591572, 222122096, 249887358, 285585552, 333183144, 499774716, 666366288, 999549432, 1999098864]

約数ペア:

[(1, 1999098864), (2, 999549432), (3, 666366288), (4, 499774716), (6, 333183144), (7, 285585552), (8, 249887358), (9, 222122096), (12, 166591572), (14, 142792776), (16, 124943679), (18, 111061048), (21, 95195184), (24, 83295786), (28, 71396388), (36, 55530524), (42, 47597592), (48, 41647893), (49, 40797936), (56, 35698194), (63, 31731728), (72, 27765262), (84, 23798796), (98, 20398968), (112, 17849097), (126, 15865864), (144, 13882631), (147, 13599312), (168, 11899398), (196, 10199484), (252, 7932932), (294, 6799656), (336, 5949699), (392, 5099742), (441, 4533104), (449, 4452336), (504, 3966466), (588, 3399828), (631, 3168144), (784, 2549871), (882, 2266552), (898, 2226168), (1008, 1983233), (1176, 1699914), (1262, 1584072), (1347, 1484112), (1764, 1133276), (1796, 1113084), (1893, 1056048), (2352, 849957), (2524, 792036), (2694, 742056), (3143, 636048), (3528, 566638), (3592, 556542), (3786, 528024), (4041, 494704), (4417, 452592), (5048, 396018), (5388, 371028), (5679, 352016), (6286, 318024), (7056, 283319), (7184, 278271), (7572, 264012), (8082, 247352), (8834, 226296), (9429, 212016), (10096, 198009), (10776, 185514), (11358, 176008), (12572, 159012), (13251, 150864), (15144, 132006), (16164, 123676), (17668, 113148), (18858, 106008), (21552, 92757), (22001, 90864), (22716, 88004), (25144, 79506), (26502, 75432), (28287, 70672), (30288, 66003), (30919, 64656), (32328, 61838), (35336, 56574), (37716, 53004), (39753, 50288), (44002, 45432)]