208097880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{853}}^1$

素因数の和:993

約数の個数: 128

約数和(自身を含む): 664070400

約数和(自身を除く): 455972520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 107, 114, 120, 152, 190, 214, 228, 285, 321, 380, 428, 456, 535, 570, 642, 760, 853, 856, 1070, 1140, 1284, 1605, 1706, 2033, 2140, 2280, 2559, 2568, 3210, 3412, 4066, 4265, 4280, 5118, 6099, 6420, 6824, 8132, 8530, 10165, 10236, 12198, 12795, 12840, 16207, 16264, 17060, 20330, 20472, 24396, 25590, 30495, 32414, 34120, 40660, 48621, 48792, 51180, 60990, 64828, 81035, 81320, 91271, 97242, 102360, 121980, 129656, 162070, 182542, 194484, 243105, 243960, 273813, 324140, 365084, 388968, 456355, 486210, 547626, 648280, 730168, 912710, 972420, 1095252, 1369065, 1734149, 1825420, 1944840, 2190504, 2738130, 3468298, 3650840, 5202447, 5476260, 6936596, 8670745, 10404894, 10952520, 13873192, 17341490, 20809788, 26012235, 34682980, 41619576, 52024470, 69365960, 104048940, 208097880]

約数ペア:

[(1, 208097880), (2, 104048940), (3, 69365960), (4, 52024470), (5, 41619576), (6, 34682980), (8, 26012235), (10, 20809788), (12, 17341490), (15, 13873192), (19, 10952520), (20, 10404894), (24, 8670745), (30, 6936596), (38, 5476260), (40, 5202447), (57, 3650840), (60, 3468298), (76, 2738130), (95, 2190504), (107, 1944840), (114, 1825420), (120, 1734149), (152, 1369065), (190, 1095252), (214, 972420), (228, 912710), (285, 730168), (321, 648280), (380, 547626), (428, 486210), (456, 456355), (535, 388968), (570, 365084), (642, 324140), (760, 273813), (853, 243960), (856, 243105), (1070, 194484), (1140, 182542), (1284, 162070), (1605, 129656), (1706, 121980), (2033, 102360), (2140, 97242), (2280, 91271), (2559, 81320), (2568, 81035), (3210, 64828), (3412, 60990), (4066, 51180), (4265, 48792), (4280, 48621), (5118, 40660), (6099, 34120), (6420, 32414), (6824, 30495), (8132, 25590), (8530, 24396), (10165, 20472), (10236, 20330), (12198, 17060), (12795, 16264), (12840, 16207)]