203450480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{977}}^1$

素因数の和:1146

約数の個数: 80

約数和(自身を含む): 502066080

約数和(自身を除く): 298615600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 137, 152, 190, 274, 304, 380, 548, 685, 760, 977, 1096, 1370, 1520, 1954, 2192, 2603, 2740, 3908, 4885, 5206, 5480, 7816, 9770, 10412, 10960, 13015, 15632, 18563, 19540, 20824, 26030, 37126, 39080, 41648, 52060, 74252, 78160, 92815, 104120, 133849, 148504, 185630, 208240, 267698, 297008, 371260, 535396, 669245, 742520, 1070792, 1338490, 1485040, 2141584, 2543131, 2676980, 5086262, 5353960, 10172524, 10707920, 12715655, 20345048, 25431310, 40690096, 50862620, 101725240, 203450480]

約数ペア:

[(1, 203450480), (2, 101725240), (4, 50862620), (5, 40690096), (8, 25431310), (10, 20345048), (16, 12715655), (19, 10707920), (20, 10172524), (38, 5353960), (40, 5086262), (76, 2676980), (80, 2543131), (95, 2141584), (137, 1485040), (152, 1338490), (190, 1070792), (274, 742520), (304, 669245), (380, 535396), (548, 371260), (685, 297008), (760, 267698), (977, 208240), (1096, 185630), (1370, 148504), (1520, 133849), (1954, 104120), (2192, 92815), (2603, 78160), (2740, 74252), (3908, 52060), (4885, 41648), (5206, 39080), (5480, 37126), (7816, 26030), (9770, 20824), (10412, 19540), (10960, 18563), (13015, 15632)]