289772028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{449}}^1$

素因数の和:676

約数の個数: 144

約数和(自身を含む): 908107200

約数和(自身を除く): 618335172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 197, 234, 252, 273, 364, 394, 449, 468, 546, 591, 788, 819, 898, 1092, 1182, 1347, 1379, 1638, 1773, 1796, 2364, 2561, 2694, 2758, 3143, 3276, 3546, 4041, 4137, 5122, 5388, 5516, 5837, 6286, 7092, 7683, 8082, 8274, 9429, 10244, 11674, 12411, 12572, 15366, 16164, 16548, 17511, 17927, 18858, 23049, 23348, 24822, 28287, 30732, 35022, 35854, 37716, 40859, 46098, 49644, 52533, 53781, 56574, 70044, 71708, 81718, 88453, 92196, 105066, 107562, 113148, 122577, 161343, 163436, 176906, 210132, 215124, 245154, 265359, 322686, 353812, 367731, 490308, 530718, 619171, 645372, 735462, 796077, 1061436, 1149889, 1238342, 1470924, 1592154, 1857513, 2299778, 2476684, 3184308, 3449667, 3715026, 4599556, 5572539, 6899334, 7430052, 8049223, 10349001, 11145078, 13798668, 16098446, 20698002, 22290156, 24147669, 32196892, 41396004, 48295338, 72443007, 96590676, 144886014, 289772028]

約数ペア:

[(1, 289772028), (2, 144886014), (3, 96590676), (4, 72443007), (6, 48295338), (7, 41396004), (9, 32196892), (12, 24147669), (13, 22290156), (14, 20698002), (18, 16098446), (21, 13798668), (26, 11145078), (28, 10349001), (36, 8049223), (39, 7430052), (42, 6899334), (52, 5572539), (63, 4599556), (78, 3715026), (84, 3449667), (91, 3184308), (117, 2476684), (126, 2299778), (156, 1857513), (182, 1592154), (197, 1470924), (234, 1238342), (252, 1149889), (273, 1061436), (364, 796077), (394, 735462), (449, 645372), (468, 619171), (546, 530718), (591, 490308), (788, 367731), (819, 353812), (898, 322686), (1092, 265359), (1182, 245154), (1347, 215124), (1379, 210132), (1638, 176906), (1773, 163436), (1796, 161343), (2364, 122577), (2561, 113148), (2694, 107562), (2758, 105066), (3143, 92196), (3276, 88453), (3546, 81718), (4041, 71708), (4137, 70044), (5122, 56574), (5388, 53781), (5516, 52533), (5837, 49644), (6286, 46098), (7092, 40859), (7683, 37716), (8082, 35854), (8274, 35022), (9429, 30732), (10244, 28287), (11674, 24822), (12411, 23348), (12572, 23049), (15366, 18858), (16164, 17927), (16548, 17511)]