280211316

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1451}}^1$

素因数の和:1506

約数の個数: 144

約数和(自身を含む): 865159680

約数和(自身を除く): 584948364

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 19, 21, 22, 28, 33, 38, 42, 44, 57, 66, 76, 77, 84, 114, 121, 132, 133, 154, 209, 228, 231, 242, 266, 308, 363, 399, 418, 462, 484, 532, 627, 726, 798, 836, 847, 924, 1254, 1451, 1452, 1463, 1596, 1694, 2299, 2508, 2541, 2902, 2926, 3388, 4353, 4389, 4598, 5082, 5804, 5852, 6897, 8706, 8778, 9196, 10157, 10164, 13794, 15961, 16093, 17412, 17556, 20314, 27569, 27588, 30471, 31922, 32186, 40628, 47883, 48279, 55138, 60942, 63844, 64372, 82707, 95766, 96558, 110276, 111727, 121884, 165414, 175571, 191532, 192983, 193116, 223454, 303259, 330828, 335181, 351142, 385966, 446908, 526713, 578949, 606518, 670362, 702284, 771932, 909777, 1053426, 1157898, 1213036, 1228997, 1340724, 1819554, 2106852, 2122813, 2315796, 2457994, 3335849, 3639108, 3686991, 4245626, 4915988, 6368439, 6671698, 7373982, 8491252, 10007547, 12736878, 13343396, 14747964, 20015094, 23350943, 25473756, 40030188, 46701886, 70052829, 93403772, 140105658, 280211316]

約数ペア:

[(1, 280211316), (2, 140105658), (3, 93403772), (4, 70052829), (6, 46701886), (7, 40030188), (11, 25473756), (12, 23350943), (14, 20015094), (19, 14747964), (21, 13343396), (22, 12736878), (28, 10007547), (33, 8491252), (38, 7373982), (42, 6671698), (44, 6368439), (57, 4915988), (66, 4245626), (76, 3686991), (77, 3639108), (84, 3335849), (114, 2457994), (121, 2315796), (132, 2122813), (133, 2106852), (154, 1819554), (209, 1340724), (228, 1228997), (231, 1213036), (242, 1157898), (266, 1053426), (308, 909777), (363, 771932), (399, 702284), (418, 670362), (462, 606518), (484, 578949), (532, 526713), (627, 446908), (726, 385966), (798, 351142), (836, 335181), (847, 330828), (924, 303259), (1254, 223454), (1451, 193116), (1452, 192983), (1463, 191532), (1596, 175571), (1694, 165414), (2299, 121884), (2508, 111727), (2541, 110276), (2902, 96558), (2926, 95766), (3388, 82707), (4353, 64372), (4389, 63844), (4598, 60942), (5082, 55138), (5804, 48279), (5852, 47883), (6897, 40628), (8706, 32186), (8778, 31922), (9196, 30471), (10157, 27588), (10164, 27569), (13794, 20314), (15961, 17556), (16093, 17412)]