280934388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{619}}^1\times {\mathrm{1801}}^1$

素因数の和:2437

約数の個数: 72

約数和(自身を含む): 813350720

約数和(自身を除く): 532416332

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 619, 1238, 1801, 1857, 2476, 3602, 3714, 4333, 5403, 5571, 7204, 7428, 8666, 10806, 11142, 12607, 12999, 16209, 17332, 21612, 22284, 25214, 25998, 32418, 37821, 38997, 50428, 51996, 64836, 75642, 77994, 113463, 151284, 155988, 226926, 453852, 1114819, 2229638, 3344457, 4459276, 6688914, 7803733, 10033371, 13377828, 15607466, 20066742, 23411199, 31214932, 40133484, 46822398, 70233597, 93644796, 140467194, 280934388]

約数ペア:

[(1, 280934388), (2, 140467194), (3, 93644796), (4, 70233597), (6, 46822398), (7, 40133484), (9, 31214932), (12, 23411199), (14, 20066742), (18, 15607466), (21, 13377828), (28, 10033371), (36, 7803733), (42, 6688914), (63, 4459276), (84, 3344457), (126, 2229638), (252, 1114819), (619, 453852), (1238, 226926), (1801, 155988), (1857, 151284), (2476, 113463), (3602, 77994), (3714, 75642), (4333, 64836), (5403, 51996), (5571, 50428), (7204, 38997), (7428, 37821), (8666, 32418), (10806, 25998), (11142, 25214), (12607, 22284), (12999, 21612), (16209, 17332)]