918804920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:765

約数の個数: 128

約数和(自身を含む): 2371991040

約数和(自身を除く): 1453186120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 163, 184, 220, 230, 253, 326, 440, 460, 506, 557, 652, 815, 920, 1012, 1114, 1265, 1304, 1630, 1793, 2024, 2228, 2530, 2785, 3260, 3586, 3749, 4456, 5060, 5570, 6127, 6520, 7172, 7498, 8965, 10120, 11140, 12254, 12811, 14344, 14996, 17930, 18745, 22280, 24508, 25622, 29992, 30635, 35860, 37490, 41239, 49016, 51244, 61270, 64055, 71720, 74980, 82478, 90791, 102488, 122540, 128110, 140921, 149960, 164956, 181582, 206195, 245080, 256220, 281842, 329912, 363164, 412390, 453955, 512440, 563684, 704605, 726328, 824780, 907910, 998701, 1127368, 1409210, 1649560, 1815820, 1997402, 2088193, 2818420, 3631640, 3994804, 4176386, 4993505, 5636840, 7989608, 8352772, 9987010, 10440965, 16705544, 19974020, 20881930, 22970123, 39948040, 41763860, 45940246, 83527720, 91880492, 114850615, 183760984, 229701230, 459402460, 918804920]

約数ペア:

[(1, 918804920), (2, 459402460), (4, 229701230), (5, 183760984), (8, 114850615), (10, 91880492), (11, 83527720), (20, 45940246), (22, 41763860), (23, 39948040), (40, 22970123), (44, 20881930), (46, 19974020), (55, 16705544), (88, 10440965), (92, 9987010), (110, 8352772), (115, 7989608), (163, 5636840), (184, 4993505), (220, 4176386), (230, 3994804), (253, 3631640), (326, 2818420), (440, 2088193), (460, 1997402), (506, 1815820), (557, 1649560), (652, 1409210), (815, 1127368), (920, 998701), (1012, 907910), (1114, 824780), (1265, 726328), (1304, 704605), (1630, 563684), (1793, 512440), (2024, 453955), (2228, 412390), (2530, 363164), (2785, 329912), (3260, 281842), (3586, 256220), (3749, 245080), (4456, 206195), (5060, 181582), (5570, 164956), (6127, 149960), (6520, 140921), (7172, 128110), (7498, 122540), (8965, 102488), (10120, 90791), (11140, 82478), (12254, 74980), (12811, 71720), (14344, 64055), (14996, 61270), (17930, 51244), (18745, 49016), (22280, 41239), (24508, 37490), (25622, 35860), (29992, 30635)]