201979788

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:599

約数の個数: 72

約数和(自身を含む): 505444800

約数和(自身を除く): 303465012

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 139, 204, 278, 289, 417, 419, 556, 578, 834, 838, 867, 1156, 1257, 1668, 1676, 1734, 2363, 2514, 3468, 4726, 5028, 7089, 7123, 9452, 14178, 14246, 21369, 28356, 28492, 40171, 42738, 58241, 80342, 85476, 116482, 120513, 121091, 160684, 174723, 232964, 241026, 242182, 349446, 363273, 482052, 484364, 698892, 726546, 990097, 1453092, 1980194, 2970291, 3960388, 5940582, 11881164, 16831649, 33663298, 50494947, 67326596, 100989894, 201979788]

約数ペア:

[(1, 201979788), (2, 100989894), (3, 67326596), (4, 50494947), (6, 33663298), (12, 16831649), (17, 11881164), (34, 5940582), (51, 3960388), (68, 2970291), (102, 1980194), (139, 1453092), (204, 990097), (278, 726546), (289, 698892), (417, 484364), (419, 482052), (556, 363273), (578, 349446), (834, 242182), (838, 241026), (867, 232964), (1156, 174723), (1257, 160684), (1668, 121091), (1676, 120513), (1734, 116482), (2363, 85476), (2514, 80342), (3468, 58241), (4726, 42738), (5028, 40171), (7089, 28492), (7123, 28356), (9452, 21369), (14178, 14246)]