278864964

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:287

約数の個数: 192

約数和(自身を含む): 869908480

約数和(自身を除く): 591043516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 54, 62, 63, 73, 84, 93, 108, 124, 126, 146, 163, 186, 189, 217, 219, 252, 279, 292, 326, 372, 378, 434, 438, 489, 511, 558, 651, 652, 657, 756, 837, 868, 876, 978, 1022, 1116, 1141, 1302, 1314, 1467, 1533, 1674, 1953, 1956, 1971, 2044, 2263, 2282, 2604, 2628, 2934, 3066, 3348, 3423, 3906, 3942, 4401, 4526, 4564, 4599, 5053, 5859, 5868, 6132, 6789, 6846, 7812, 7884, 8802, 9052, 9198, 10106, 10269, 11718, 11899, 13578, 13692, 13797, 15159, 15841, 17604, 18396, 20212, 20367, 20538, 23436, 23798, 27156, 27594, 30318, 30807, 31682, 35371, 35697, 40734, 41076, 45477, 47523, 47596, 55188, 60636, 61101, 61614, 63364, 70742, 71394, 81468, 83293, 90954, 95046, 106113, 107091, 122202, 123228, 136431, 141484, 142569, 142788, 166586, 181908, 190092, 212226, 214182, 244404, 249879, 272862, 285138, 318339, 321273, 333172, 368869, 424452, 427707, 428364, 499758, 545724, 570276, 636678, 642546, 737738, 749637, 855414, 955017, 999516, 1106607, 1273356, 1285092, 1475476, 1499274, 1710828, 1910034, 2213214, 2248911, 2582083, 2998548, 3319821, 3820068, 4426428, 4497822, 5164166, 6639642, 7746249, 8995644, 9959463, 10328332, 13279284, 15492498, 19918926, 23238747, 30984996, 39837852, 46477494, 69716241, 92954988, 139432482, 278864964]

約数ペア:

[(1, 278864964), (2, 139432482), (3, 92954988), (4, 69716241), (6, 46477494), (7, 39837852), (9, 30984996), (12, 23238747), (14, 19918926), (18, 15492498), (21, 13279284), (27, 10328332), (28, 9959463), (31, 8995644), (36, 7746249), (42, 6639642), (54, 5164166), (62, 4497822), (63, 4426428), (73, 3820068), (84, 3319821), (93, 2998548), (108, 2582083), (124, 2248911), (126, 2213214), (146, 1910034), (163, 1710828), (186, 1499274), (189, 1475476), (217, 1285092), (219, 1273356), (252, 1106607), (279, 999516), (292, 955017), (326, 855414), (372, 749637), (378, 737738), (434, 642546), (438, 636678), (489, 570276), (511, 545724), (558, 499758), (651, 428364), (652, 427707), (657, 424452), (756, 368869), (837, 333172), (868, 321273), (876, 318339), (978, 285138), (1022, 272862), (1116, 249879), (1141, 244404), (1302, 214182), (1314, 212226), (1467, 190092), (1533, 181908), (1674, 166586), (1953, 142788), (1956, 142569), (1971, 141484), (2044, 136431), (2263, 123228), (2282, 122202), (2604, 107091), (2628, 106113), (2934, 95046), (3066, 90954), (3348, 83293), (3423, 81468), (3906, 71394), (3942, 70742), (4401, 63364), (4526, 61614), (4564, 61101), (4599, 60636), (5053, 55188), (5859, 47596), (5868, 47523), (6132, 45477), (6789, 41076), (6846, 40734), (7812, 35697), (7884, 35371), (8802, 31682), (9052, 30807), (9198, 30318), (10106, 27594), (10269, 27156), (11718, 23798), (11899, 23436), (13578, 20538), (13692, 20367), (13797, 20212), (15159, 18396), (15841, 17604)]