281294856

素因数分解:

$2^3\times 3^6\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:510

約数の個数: 112

約数和(自身を含む): 798764400

約数和(自身を除く): 517469544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 139, 162, 216, 243, 278, 324, 347, 417, 486, 556, 648, 694, 729, 834, 972, 1041, 1112, 1251, 1388, 1458, 1668, 1944, 2082, 2502, 2776, 2916, 3123, 3336, 3753, 4164, 5004, 5832, 6246, 7506, 8328, 9369, 10008, 11259, 12492, 15012, 18738, 22518, 24984, 28107, 30024, 33777, 37476, 45036, 48233, 56214, 67554, 74952, 84321, 90072, 96466, 101331, 112428, 135108, 144699, 168642, 192932, 202662, 224856, 252963, 270216, 289398, 337284, 385864, 405324, 434097, 505926, 578796, 674568, 810648, 868194, 1011852, 1157592, 1302291, 1736388, 2023704, 2604582, 3472776, 3906873, 5209164, 7813746, 10418328, 11720619, 15627492, 23441238, 31254984, 35161857, 46882476, 70323714, 93764952, 140647428, 281294856]

約数ペア:

[(1, 281294856), (2, 140647428), (3, 93764952), (4, 70323714), (6, 46882476), (8, 35161857), (9, 31254984), (12, 23441238), (18, 15627492), (24, 11720619), (27, 10418328), (36, 7813746), (54, 5209164), (72, 3906873), (81, 3472776), (108, 2604582), (139, 2023704), (162, 1736388), (216, 1302291), (243, 1157592), (278, 1011852), (324, 868194), (347, 810648), (417, 674568), (486, 578796), (556, 505926), (648, 434097), (694, 405324), (729, 385864), (834, 337284), (972, 289398), (1041, 270216), (1112, 252963), (1251, 224856), (1388, 202662), (1458, 192932), (1668, 168642), (1944, 144699), (2082, 135108), (2502, 112428), (2776, 101331), (2916, 96466), (3123, 90072), (3336, 84321), (3753, 74952), (4164, 67554), (5004, 56214), (5832, 48233), (6246, 45036), (7506, 37476), (8328, 33777), (9369, 30024), (10008, 28107), (11259, 24984), (12492, 22518), (15012, 18738)]