428205736

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:291

約数の個数: 128

約数和(自身を含む): 1012320000

約数和(自身を除く): 584114264

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 37, 38, 56, 73, 74, 76, 133, 146, 148, 149, 152, 259, 266, 292, 296, 298, 511, 518, 532, 584, 596, 703, 1022, 1036, 1043, 1064, 1192, 1387, 1406, 2044, 2072, 2086, 2701, 2774, 2812, 2831, 4088, 4172, 4921, 5402, 5513, 5548, 5624, 5662, 8344, 9709, 9842, 10804, 10877, 11026, 11096, 11324, 18907, 19418, 19684, 19817, 21608, 21754, 22052, 22648, 37814, 38591, 38836, 39368, 39634, 43508, 44104, 51319, 75628, 76139, 77182, 77672, 79268, 87016, 102638, 104747, 151256, 152278, 154364, 158536, 205276, 206663, 209494, 304556, 308728, 359233, 402449, 410552, 413326, 418988, 609112, 718466, 733229, 804898, 826652, 837976, 1436932, 1446641, 1466458, 1609796, 1653304, 2817143, 2873864, 2893282, 2932916, 3219592, 5634286, 5786564, 5865832, 7646531, 11268572, 11573128, 15293062, 22537144, 30586124, 53525717, 61172248, 107051434, 214102868, 428205736]

約数ペア:

[(1, 428205736), (2, 214102868), (4, 107051434), (7, 61172248), (8, 53525717), (14, 30586124), (19, 22537144), (28, 15293062), (37, 11573128), (38, 11268572), (56, 7646531), (73, 5865832), (74, 5786564), (76, 5634286), (133, 3219592), (146, 2932916), (148, 2893282), (149, 2873864), (152, 2817143), (259, 1653304), (266, 1609796), (292, 1466458), (296, 1446641), (298, 1436932), (511, 837976), (518, 826652), (532, 804898), (584, 733229), (596, 718466), (703, 609112), (1022, 418988), (1036, 413326), (1043, 410552), (1064, 402449), (1192, 359233), (1387, 308728), (1406, 304556), (2044, 209494), (2072, 206663), (2086, 205276), (2701, 158536), (2774, 154364), (2812, 152278), (2831, 151256), (4088, 104747), (4172, 102638), (4921, 87016), (5402, 79268), (5513, 77672), (5548, 77182), (5624, 76139), (5662, 75628), (8344, 51319), (9709, 44104), (9842, 43508), (10804, 39634), (10877, 39368), (11026, 38836), (11096, 38591), (11324, 37814), (18907, 22648), (19418, 22052), (19684, 21754), (19817, 21608)]