201919760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:361

約数の個数: 160

約数和(自身を含む): 571249152

約数和(自身を除く): 369329392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 61, 70, 80, 92, 112, 115, 122, 140, 161, 184, 230, 244, 257, 280, 305, 322, 368, 427, 460, 488, 514, 560, 610, 644, 805, 854, 920, 976, 1028, 1220, 1285, 1288, 1403, 1610, 1708, 1799, 1840, 2056, 2135, 2440, 2570, 2576, 2806, 3220, 3416, 3598, 4112, 4270, 4880, 5140, 5612, 5911, 6440, 6832, 7015, 7196, 8540, 8995, 9821, 10280, 11224, 11822, 12880, 14030, 14392, 15677, 17080, 17990, 19642, 20560, 22448, 23644, 28060, 28784, 29555, 31354, 34160, 35980, 39284, 41377, 47288, 49105, 56120, 59110, 62708, 71960, 78385, 78568, 82754, 94576, 98210, 109739, 112240, 118220, 125416, 143920, 156770, 157136, 165508, 196420, 206885, 219478, 236440, 250832, 313540, 331016, 360571, 392840, 413770, 438956, 472880, 548695, 627080, 662032, 721142, 785680, 827540, 877912, 1097390, 1254160, 1442284, 1655080, 1755824, 1802855, 2194780, 2523997, 2884568, 3310160, 3605710, 4389560, 5047994, 5769136, 7211420, 8779120, 10095988, 12619985, 14422840, 20191976, 25239970, 28845680, 40383952, 50479940, 100959880, 201919760]

約数ペア:

[(1, 201919760), (2, 100959880), (4, 50479940), (5, 40383952), (7, 28845680), (8, 25239970), (10, 20191976), (14, 14422840), (16, 12619985), (20, 10095988), (23, 8779120), (28, 7211420), (35, 5769136), (40, 5047994), (46, 4389560), (56, 3605710), (61, 3310160), (70, 2884568), (80, 2523997), (92, 2194780), (112, 1802855), (115, 1755824), (122, 1655080), (140, 1442284), (161, 1254160), (184, 1097390), (230, 877912), (244, 827540), (257, 785680), (280, 721142), (305, 662032), (322, 627080), (368, 548695), (427, 472880), (460, 438956), (488, 413770), (514, 392840), (560, 360571), (610, 331016), (644, 313540), (805, 250832), (854, 236440), (920, 219478), (976, 206885), (1028, 196420), (1220, 165508), (1285, 157136), (1288, 156770), (1403, 143920), (1610, 125416), (1708, 118220), (1799, 112240), (1840, 109739), (2056, 98210), (2135, 94576), (2440, 82754), (2570, 78568), (2576, 78385), (2806, 71960), (3220, 62708), (3416, 59110), (3598, 56120), (4112, 49105), (4270, 47288), (4880, 41377), (5140, 39284), (5612, 35980), (5911, 34160), (6440, 31354), (6832, 29555), (7015, 28784), (7196, 28060), (8540, 23644), (8995, 22448), (9821, 20560), (10280, 19642), (11224, 17990), (11822, 17080), (12880, 15677), (14030, 14392)]