1994291860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1\times {\mathrm{727}}^1$

素因数の和:1121

約数の個数: 96

約数和(自身を含む): 4712617728

約数和(自身を除く): 2718325868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 337, 370, 407, 674, 727, 740, 814, 1348, 1454, 1628, 1685, 2035, 2908, 3370, 3635, 3707, 4070, 6740, 7270, 7414, 7997, 8140, 12469, 14540, 14828, 15994, 18535, 24938, 26899, 31988, 37070, 39985, 49876, 53798, 62345, 74140, 79970, 107596, 124690, 134495, 137159, 159940, 244999, 249380, 268990, 274318, 295889, 489998, 537980, 548636, 591778, 685795, 979996, 1183556, 1224995, 1371590, 1479445, 2449990, 2694989, 2743180, 2958890, 4899980, 5389978, 5917780, 9064963, 10779956, 13474945, 18129926, 26949890, 36259852, 45324815, 53899780, 90649630, 99714593, 181299260, 199429186, 398858372, 498572965, 997145930, 1994291860]

約数ペア:

[(1, 1994291860), (2, 997145930), (4, 498572965), (5, 398858372), (10, 199429186), (11, 181299260), (20, 99714593), (22, 90649630), (37, 53899780), (44, 45324815), (55, 36259852), (74, 26949890), (110, 18129926), (148, 13474945), (185, 10779956), (220, 9064963), (337, 5917780), (370, 5389978), (407, 4899980), (674, 2958890), (727, 2743180), (740, 2694989), (814, 2449990), (1348, 1479445), (1454, 1371590), (1628, 1224995), (1685, 1183556), (2035, 979996), (2908, 685795), (3370, 591778), (3635, 548636), (3707, 537980), (4070, 489998), (6740, 295889), (7270, 274318), (7414, 268990), (7997, 249380), (8140, 244999), (12469, 159940), (14540, 137159), (14828, 134495), (15994, 124690), (18535, 107596), (24938, 79970), (26899, 74140), (31988, 62345), (37070, 53798), (39985, 49876)]