400663128

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 1083502080

約数和(自身を除く): 682838952

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 61, 69, 73, 92, 122, 138, 146, 163, 183, 184, 219, 244, 276, 292, 326, 366, 438, 488, 489, 552, 584, 652, 732, 876, 978, 1304, 1403, 1464, 1679, 1752, 1956, 2806, 3358, 3749, 3912, 4209, 4453, 5037, 5612, 6716, 7498, 8418, 8906, 9943, 10074, 11224, 11247, 11899, 13359, 13432, 14996, 16836, 17812, 19886, 20148, 22494, 23798, 26718, 29829, 29992, 33672, 35624, 35697, 39772, 40296, 44988, 47596, 53436, 59658, 71394, 79544, 89976, 95192, 102419, 106872, 119316, 142788, 204838, 228689, 238632, 273677, 285576, 307257, 409676, 457378, 547354, 614514, 686067, 725839, 819352, 821031, 914756, 1094708, 1229028, 1372134, 1451678, 1642062, 1829512, 2177517, 2189416, 2458056, 2744268, 2903356, 3284124, 4355034, 5488536, 5806712, 6568248, 8710068, 16694297, 17420136, 33388594, 50082891, 66777188, 100165782, 133554376, 200331564, 400663128]

約数ペア:

[(1, 400663128), (2, 200331564), (3, 133554376), (4, 100165782), (6, 66777188), (8, 50082891), (12, 33388594), (23, 17420136), (24, 16694297), (46, 8710068), (61, 6568248), (69, 5806712), (73, 5488536), (92, 4355034), (122, 3284124), (138, 2903356), (146, 2744268), (163, 2458056), (183, 2189416), (184, 2177517), (219, 1829512), (244, 1642062), (276, 1451678), (292, 1372134), (326, 1229028), (366, 1094708), (438, 914756), (488, 821031), (489, 819352), (552, 725839), (584, 686067), (652, 614514), (732, 547354), (876, 457378), (978, 409676), (1304, 307257), (1403, 285576), (1464, 273677), (1679, 238632), (1752, 228689), (1956, 204838), (2806, 142788), (3358, 119316), (3749, 106872), (3912, 102419), (4209, 95192), (4453, 89976), (5037, 79544), (5612, 71394), (6716, 59658), (7498, 53436), (8418, 47596), (8906, 44988), (9943, 40296), (10074, 39772), (11224, 35697), (11247, 35624), (11899, 33672), (13359, 29992), (13432, 29829), (14996, 26718), (16836, 23798), (17812, 22494), (19886, 20148)]