1990707488

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^4\times {\mathrm{607}}^1$

素因数の和:668

約数の個数: 120

約数和(自身を含む): 4935087360

約数和(自身を除く): 2944379872

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 121, 154, 176, 224, 242, 308, 352, 484, 607, 616, 847, 968, 1214, 1232, 1331, 1694, 1936, 2428, 2464, 2662, 3388, 3872, 4249, 4856, 5324, 6677, 6776, 8498, 9317, 9712, 10648, 13354, 13552, 14641, 16996, 18634, 19424, 21296, 26708, 27104, 29282, 33992, 37268, 42592, 46739, 53416, 58564, 67984, 73447, 74536, 93478, 102487, 106832, 117128, 135968, 146894, 149072, 186956, 204974, 213664, 234256, 293788, 298144, 373912, 409948, 468512, 514129, 587576, 747824, 807917, 819896, 1028258, 1175152, 1495648, 1615834, 1639792, 2056516, 2350304, 3231668, 3279584, 4113032, 5655419, 6463336, 8226064, 8887087, 11310838, 12926672, 16452128, 17774174, 22621676, 25853344, 35548348, 45243352, 62209609, 71096696, 90486704, 124419218, 142193392, 180973408, 248838436, 284386784, 497676872, 995353744, 1990707488]

約数ペア:

[(1, 1990707488), (2, 995353744), (4, 497676872), (7, 284386784), (8, 248838436), (11, 180973408), (14, 142193392), (16, 124419218), (22, 90486704), (28, 71096696), (32, 62209609), (44, 45243352), (56, 35548348), (77, 25853344), (88, 22621676), (112, 17774174), (121, 16452128), (154, 12926672), (176, 11310838), (224, 8887087), (242, 8226064), (308, 6463336), (352, 5655419), (484, 4113032), (607, 3279584), (616, 3231668), (847, 2350304), (968, 2056516), (1214, 1639792), (1232, 1615834), (1331, 1495648), (1694, 1175152), (1936, 1028258), (2428, 819896), (2464, 807917), (2662, 747824), (3388, 587576), (3872, 514129), (4249, 468512), (4856, 409948), (5324, 373912), (6677, 298144), (6776, 293788), (8498, 234256), (9317, 213664), (9712, 204974), (10648, 186956), (13354, 149072), (13552, 146894), (14641, 135968), (16996, 117128), (18634, 106832), (19424, 102487), (21296, 93478), (26708, 74536), (27104, 73447), (29282, 67984), (33992, 58564), (37268, 53416), (42592, 46739)]