3987280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:244

約数の個数: 80

約数和(自身を含む): 10606464

約数和(自身を除く): 6619184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 197, 220, 230, 253, 368, 394, 440, 460, 506, 788, 880, 920, 985, 1012, 1265, 1576, 1840, 1970, 2024, 2167, 2530, 3152, 3940, 4048, 4334, 4531, 5060, 7880, 8668, 9062, 10120, 10835, 15760, 17336, 18124, 20240, 21670, 22655, 34672, 36248, 43340, 45310, 49841, 72496, 86680, 90620, 99682, 173360, 181240, 199364, 249205, 362480, 398728, 498410, 797456, 996820, 1993640, 3987280]

約数ペア:

[(1, 3987280), (2, 1993640), (4, 996820), (5, 797456), (8, 498410), (10, 398728), (11, 362480), (16, 249205), (20, 199364), (22, 181240), (23, 173360), (40, 99682), (44, 90620), (46, 86680), (55, 72496), (80, 49841), (88, 45310), (92, 43340), (110, 36248), (115, 34672), (176, 22655), (184, 21670), (197, 20240), (220, 18124), (230, 17336), (253, 15760), (368, 10835), (394, 10120), (440, 9062), (460, 8668), (506, 7880), (788, 5060), (880, 4531), (920, 4334), (985, 4048), (1012, 3940), (1265, 3152), (1576, 2530), (1840, 2167), (1970, 2024)]