278300820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:434

約数の個数: 192

約数和(自身を含む): 936875520

約数和(自身を除く): 658574700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 73, 84, 87, 105, 116, 140, 145, 146, 174, 203, 210, 219, 290, 292, 313, 348, 365, 406, 420, 435, 438, 511, 580, 609, 626, 730, 812, 870, 876, 939, 1015, 1022, 1095, 1218, 1252, 1460, 1533, 1565, 1740, 1878, 2030, 2044, 2117, 2190, 2191, 2436, 2555, 3045, 3066, 3130, 3756, 4060, 4234, 4380, 4382, 4695, 5110, 6090, 6132, 6260, 6351, 6573, 7665, 8468, 8764, 9077, 9390, 10220, 10585, 10955, 12180, 12702, 13146, 14819, 15330, 18154, 18780, 21170, 21910, 22849, 25404, 26292, 27231, 29638, 30660, 31755, 32865, 36308, 42340, 43820, 44457, 45385, 45698, 54462, 59276, 63510, 63539, 65730, 68547, 74095, 88914, 90770, 91396, 108924, 114245, 127020, 127078, 131460, 136155, 137094, 148190, 159943, 177828, 181540, 190617, 222285, 228490, 254156, 272310, 274188, 296380, 317695, 319886, 342735, 381234, 444570, 456980, 479829, 544620, 635390, 639772, 662621, 685470, 762468, 799715, 889140, 953085, 959658, 1270780, 1325242, 1370940, 1599430, 1906170, 1919316, 1987863, 2399145, 2650484, 3198860, 3313105, 3812340, 3975726, 4638347, 4798290, 6626210, 7951452, 9276694, 9596580, 9939315, 13252420, 13915041, 18553388, 19878630, 23191735, 27830082, 39757260, 46383470, 55660164, 69575205, 92766940, 139150410, 278300820]

約数ペア:

[(1, 278300820), (2, 139150410), (3, 92766940), (4, 69575205), (5, 55660164), (6, 46383470), (7, 39757260), (10, 27830082), (12, 23191735), (14, 19878630), (15, 18553388), (20, 13915041), (21, 13252420), (28, 9939315), (29, 9596580), (30, 9276694), (35, 7951452), (42, 6626210), (58, 4798290), (60, 4638347), (70, 3975726), (73, 3812340), (84, 3313105), (87, 3198860), (105, 2650484), (116, 2399145), (140, 1987863), (145, 1919316), (146, 1906170), (174, 1599430), (203, 1370940), (210, 1325242), (219, 1270780), (290, 959658), (292, 953085), (313, 889140), (348, 799715), (365, 762468), (406, 685470), (420, 662621), (435, 639772), (438, 635390), (511, 544620), (580, 479829), (609, 456980), (626, 444570), (730, 381234), (812, 342735), (870, 319886), (876, 317695), (939, 296380), (1015, 274188), (1022, 272310), (1095, 254156), (1218, 228490), (1252, 222285), (1460, 190617), (1533, 181540), (1565, 177828), (1740, 159943), (1878, 148190), (2030, 137094), (2044, 136155), (2117, 131460), (2190, 127078), (2191, 127020), (2436, 114245), (2555, 108924), (3045, 91396), (3066, 90770), (3130, 88914), (3756, 74095), (4060, 68547), (4234, 65730), (4380, 63539), (4382, 63510), (4695, 59276), (5110, 54462), (6090, 45698), (6132, 45385), (6260, 44457), (6351, 43820), (6573, 42340), (7665, 36308), (8468, 32865), (8764, 31755), (9077, 30660), (9390, 29638), (10220, 27231), (10585, 26292), (10955, 25404), (12180, 22849), (12702, 21910), (13146, 21170), (14819, 18780), (15330, 18154)]