211860880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:405

約数の個数: 160

約数和(自身を含む): 620817408

約数和(自身を除く): 408956528

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 163, 176, 211, 220, 280, 308, 326, 385, 422, 440, 560, 616, 652, 770, 815, 844, 880, 1055, 1141, 1232, 1304, 1477, 1540, 1630, 1688, 1793, 2110, 2282, 2321, 2608, 2954, 3080, 3260, 3376, 3586, 4220, 4564, 4642, 5705, 5908, 6160, 6520, 7172, 7385, 8440, 8965, 9128, 9284, 11410, 11605, 11816, 12551, 13040, 14344, 14770, 16247, 16880, 17930, 18256, 18568, 22820, 23210, 23632, 25102, 28688, 29540, 32494, 34393, 35860, 37136, 45640, 46420, 50204, 59080, 62755, 64988, 68786, 71720, 81235, 91280, 92840, 100408, 118160, 125510, 129976, 137572, 143440, 162470, 171965, 185680, 200816, 240751, 251020, 259952, 275144, 324940, 343930, 378323, 481502, 502040, 550288, 649880, 687860, 756646, 963004, 1004080, 1203755, 1299760, 1375720, 1513292, 1891615, 1926008, 2407510, 2648261, 2751440, 3026584, 3783230, 3852016, 4815020, 5296522, 6053168, 7566460, 9630040, 10593044, 13241305, 15132920, 19260080, 21186088, 26482610, 30265840, 42372176, 52965220, 105930440, 211860880]

約数ペア:

[(1, 211860880), (2, 105930440), (4, 52965220), (5, 42372176), (7, 30265840), (8, 26482610), (10, 21186088), (11, 19260080), (14, 15132920), (16, 13241305), (20, 10593044), (22, 9630040), (28, 7566460), (35, 6053168), (40, 5296522), (44, 4815020), (55, 3852016), (56, 3783230), (70, 3026584), (77, 2751440), (80, 2648261), (88, 2407510), (110, 1926008), (112, 1891615), (140, 1513292), (154, 1375720), (163, 1299760), (176, 1203755), (211, 1004080), (220, 963004), (280, 756646), (308, 687860), (326, 649880), (385, 550288), (422, 502040), (440, 481502), (560, 378323), (616, 343930), (652, 324940), (770, 275144), (815, 259952), (844, 251020), (880, 240751), (1055, 200816), (1141, 185680), (1232, 171965), (1304, 162470), (1477, 143440), (1540, 137572), (1630, 129976), (1688, 125510), (1793, 118160), (2110, 100408), (2282, 92840), (2321, 91280), (2608, 81235), (2954, 71720), (3080, 68786), (3260, 64988), (3376, 62755), (3586, 59080), (4220, 50204), (4564, 46420), (4642, 45640), (5705, 37136), (5908, 35860), (6160, 34393), (6520, 32494), (7172, 29540), (7385, 28688), (8440, 25102), (8965, 23632), (9128, 23210), (9284, 22820), (11410, 18568), (11605, 18256), (11816, 17930), (12551, 16880), (13040, 16247), (14344, 14770)]