220487800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{619}}^1$

素因数の和:785

約数の個数: 96

約数和(自身を含む): 556995600

約数和(自身を除く): 336507800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 137, 200, 260, 274, 325, 520, 548, 619, 650, 685, 1096, 1238, 1300, 1370, 1781, 2476, 2600, 2740, 3095, 3425, 3562, 4952, 5480, 6190, 6850, 7124, 8047, 8905, 12380, 13700, 14248, 15475, 16094, 17810, 24760, 27400, 30950, 32188, 35620, 40235, 44525, 61900, 64376, 71240, 80470, 84803, 89050, 123800, 160940, 169606, 178100, 201175, 321880, 339212, 356200, 402350, 424015, 678424, 804700, 848030, 1102439, 1609400, 1696060, 2120075, 2204878, 3392120, 4240150, 4409756, 5512195, 8480300, 8819512, 11024390, 16960600, 22048780, 27560975, 44097560, 55121950, 110243900, 220487800]

約数ペア:

[(1, 220487800), (2, 110243900), (4, 55121950), (5, 44097560), (8, 27560975), (10, 22048780), (13, 16960600), (20, 11024390), (25, 8819512), (26, 8480300), (40, 5512195), (50, 4409756), (52, 4240150), (65, 3392120), (100, 2204878), (104, 2120075), (130, 1696060), (137, 1609400), (200, 1102439), (260, 848030), (274, 804700), (325, 678424), (520, 424015), (548, 402350), (619, 356200), (650, 339212), (685, 321880), (1096, 201175), (1238, 178100), (1300, 169606), (1370, 160940), (1781, 123800), (2476, 89050), (2600, 84803), (2740, 80470), (3095, 71240), (3425, 64376), (3562, 61900), (4952, 44525), (5480, 40235), (6190, 35620), (6850, 32188), (7124, 30950), (8047, 27400), (8905, 24760), (12380, 17810), (13700, 16094), (14248, 15475)]